Compressor must only compress actual input range, not entire array

1 files changed, 1 insertions, 1 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/compress/Compressor.java b/vespajlib/src/main/java/com/yahoo/compress/Compressor.java
index 681f95142ab..4cdade4de01 100644
--- a/vespajlib/src/main/java/com/yahoo/compress/Compressor.java
+++ b/vespajlib/src/main/java/com/yahoo/compress/Compressor.java
@@ -80,7 +80,7 @@ public class Compressor {
                 int dataSize = uncompressedSize.isPresent() ? uncompressedSize.get() : data.length;
                 if (dataSize < compressMinSizeBytes) return new Compression(CompressionType.INCOMPRESSIBLE, dataSize, data);
                 LZ4Compressor compressor = level < 7 ? factory.fastCompressor() : factory.highCompressor();
-                byte[] compressedData = compressor.compress(data);
+                byte[] compressedData = compressor.compress(data, 0, dataSize);
                 if (compressedData.length + 8 >= dataSize * compressionThresholdFactor)
                     return new Compression(CompressionType.INCOMPRESSIBLE, dataSize, data);
                 return new Compression(CompressionType.LZ4, dataSize, compressedData);