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HDFS-11719. Arrays.fill() wrong index in BlockSender.readChecksum() exception handling. Contributed by Tao Zhang

This commit is contained in:
Mingliang Liu 2018-09-18 10:20:15 -07:00
parent 48319d6eee
commit 6ff509c32a
1 changed files with 4 additions and 3 deletions
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5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java
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@ -682,9 +682,10 @@ class BlockSender implements java.io.Closeable {
+ " at offset " + offset + " for block " + block, e); + " at offset " + offset + " for block " + block, e);
ris.closeChecksumStream(); ris.closeChecksumStream();
if (corruptChecksumOk) { if (corruptChecksumOk) {
if (checksumOffset < checksumLen) { if (checksumLen > 0) {
// Just fill the array with zeros. // Just fill the array with zeros.
Arrays.fill(buf, checksumOffset, checksumLen, (byte) 0); Arrays.fill(buf, checksumOffset, checksumOffset + checksumLen,
(byte) 0);
} }
} else { } else {
throw e; throw e;