rmuir commented on code in PR #11861:
URL: https://github.com/apache/lucene/pull/11861#discussion_r999278417
##########
lucene/core/src/java/org/apache/lucene/codecs/lucene94/Lucene94HnswVectorsReader.java:
##########
@@ -175,7 +175,7 @@ private void validateFieldEntry(FieldInfo info, FieldEntry
fieldEntry) {
case BYTE -> Byte.BYTES;
case FLOAT32 -> Float.BYTES;
};
- int numBytes = fieldEntry.size * dimension * byteSize;
+ long numBytes = (long) fieldEntry.size * dimension * byteSize;
Review Comment:
so we got bit by overflow once here, let's learn from the lesson and use
Math.multiplyexact. its just validation code and not performance sensitive.
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