Ignacio Vera created LUCENE-10678:
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Summary: computing the partition point on a BKD tree merge can
overflow
Key: LUCENE-10678
URL: https://issues.apache.org/jira/browse/LUCENE-10678
Project: Lucene - Core
Issue Type: Bug
Reporter: Ignacio Vera
I just discover a bad bug in the BKD tree when doing merges. Before calling the
BKDTreeRadix selector we need to compute the partition point which is dome
multiplying two integers. If the partition point is > Integer.MAX_VALUE then it
will overflow.
https://github.com/apache/lucene/blob/35ca2d79f73c6dfaf5e648fe241f7e0b37084a90/lucene/core/src/java/org/apache/lucene/util/bkd/BKDWriter.java#L2021
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