HBASE-23119 ArrayIndexOutOfBoundsException in PrivateCellUtil#qualifierStartsWith (#688)

Signed-off-by: Peter Somogyi <psomogyi@apache.org>
Signed-off-by: Viraj Jasani <virajjasani007@gmail.com>
This commit is contained in:
Istvan Toth 2019-10-04 15:13:03 +02:00 committed by Peter Somogyi
parent b5a396749d
commit e3078aa5aa
2 changed files with 11 additions and 0 deletions

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@ -18,6 +18,7 @@
package org.apache.hadoop.hbase.filter; package org.apache.hadoop.hbase.filter;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue; import static org.junit.Assert.assertTrue;
import java.nio.ByteBuffer; import java.nio.ByteBuffer;
@ -97,5 +98,12 @@ public class TestComparators {
comparable = new SubstringComparator("cf"); comparable = new SubstringComparator("cf");
assertEquals(0, PrivateCellUtil.compareFamily(bbCell, comparable)); assertEquals(0, PrivateCellUtil.compareFamily(bbCell, comparable));
assertEquals(0, PrivateCellUtil.compareFamily(kv, comparable)); assertEquals(0, PrivateCellUtil.compareFamily(kv, comparable));
// Qualifier starts with
kv = new KeyValue(r1, f, q1, v2);
assertTrue(PrivateCellUtil.qualifierStartsWith(kv, Bytes.toBytes("q")));
assertTrue(PrivateCellUtil.qualifierStartsWith(kv, q1));
assertFalse(PrivateCellUtil.qualifierStartsWith(kv, q2));
assertFalse(PrivateCellUtil.qualifierStartsWith(kv, Bytes.toBytes("longerthanthequalifier")));
} }
} }

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@ -767,6 +767,9 @@ public final class PrivateCellUtil {
if (startsWith == null || startsWith.length == 0) { if (startsWith == null || startsWith.length == 0) {
throw new IllegalArgumentException("Cannot pass an empty startsWith"); throw new IllegalArgumentException("Cannot pass an empty startsWith");
} }
if (left.getQualifierLength() < startsWith.length) {
return false;
}
if (left instanceof ByteBufferExtendedCell) { if (left instanceof ByteBufferExtendedCell) {
return ByteBufferUtils.equals(((ByteBufferExtendedCell) left).getQualifierByteBuffer(), return ByteBufferUtils.equals(((ByteBufferExtendedCell) left).getQualifierByteBuffer(),
((ByteBufferExtendedCell) left).getQualifierPosition(), startsWith.length, ((ByteBufferExtendedCell) left).getQualifierPosition(), startsWith.length,