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LUCENE-9715: fix int overflow in Lucene90VectorReader

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Michael Sokolov 2021-02-04 13:52:13 -05:00 committed by GitHub
parent f0a2f1fe03
commit 67f71d453d
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1 changed files with 4 additions and 5 deletions
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9
lucene/core/src/java/org/apache/lucene/codecs/lucene90/Lucene90VectorReader.java
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@ -359,14 +359,14 @@ public final class Lucene90VectorReader extends VectorReader {
@Override @Override
public float[] vectorValue() throws IOException { public float[] vectorValue() throws IOException {
dataIn.seek(ord * byteSize); dataIn.seek((long) ord * byteSize);
dataIn.readLEFloats(value, 0, value.length); dataIn.readLEFloats(value, 0, value.length);
return value; return value;
} }
@Override @Override
public BytesRef binaryValue() throws IOException { public BytesRef binaryValue() throws IOException {
dataIn.seek(ord * byteSize); dataIn.seek((long) ord * byteSize);
dataIn.readBytes(byteBuffer.array(), byteBuffer.arrayOffset(), byteSize, false); dataIn.readBytes(byteBuffer.array(), byteBuffer.arrayOffset(), byteSize, false);
return binaryValue; return binaryValue;
} }
@ -440,7 +440,7 @@ public final class Lucene90VectorReader extends VectorReader {
@Override @Override
public float[] vectorValue(int targetOrd) throws IOException { public float[] vectorValue(int targetOrd) throws IOException {
dataIn.seek(targetOrd * byteSize); dataIn.seek((long) targetOrd * byteSize);
dataIn.readLEFloats(value, 0, value.length); dataIn.readLEFloats(value, 0, value.length);
return value; return value;
} }
@ -452,8 +452,7 @@ public final class Lucene90VectorReader extends VectorReader {
} }
private void readValue(int targetOrd) throws IOException { private void readValue(int targetOrd) throws IOException {
long offset = targetOrd * byteSize; dataIn.seek((long) targetOrd * byteSize);
dataIn.seek(offset);
dataIn.readBytes(byteBuffer.array(), byteBuffer.arrayOffset(), byteSize); dataIn.readBytes(byteBuffer.array(), byteBuffer.arrayOffset(), byteSize);
} }
} }