From d03ffb078804cbac9f77a8ed17c64ffd43a89ae3 Mon Sep 17 00:00:00 2001
From: Mikhail Antonov <antonov@apache.org>
Date: Sat, 28 May 2016 03:14:03 -0700
Subject: [PATCH] HBASE-15908 Checksum verification is broken due to incorrect
 passing of ByteBuffers in DataChecksum (Mikhail Antonov and Appy)

---
 .../main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java
index a61038e0cd4..b2ed8d4e97a 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java
@@ -1725,7 +1725,7 @@ public class HFileBlock implements Cacheable {
       ByteBuffer onDiskBlockByteBuffer = ByteBuffer.wrap(onDiskBlock, 0, onDiskSizeWithHeader);
       // Verify checksum of the data before using it for building HFileBlock.
       if (verifyChecksum &&
-          !validateChecksum(offset, onDiskBlockByteBuffer.asReadOnlyBuffer(), hdrSize)) {
+          !validateChecksum(offset, onDiskBlockByteBuffer, hdrSize)) {
         return null;
       }
       // The onDiskBlock will become the headerAndDataBuffer for this block.