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  1. MariaDB Server
  2. MDEV-39944

ST_IsValid crashes on truncated MultiPolygon WKB

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • 12.3.1
    • N/A
    • Optimizer
    • None
    • ubuntu22.04
    • Not for Release Notes

    Description

      Minimal Reproducer

      -- truncated WKB: SRID+LE+type MultiPolygon (6), no geometry
      		 
      SELECT ST_IsValid(x'000000000106000000');

      Actual Result

      ERROR 2013 (HY000): Lost connection to server
      		 
      ASAN: use-after-poison in Gis_multi_polygon::num_geometries() (spatial.cc:3995)
      		 
        called from Gis_multi_polygon::is_valid()

      Expected Result

      Return NULL for invalid geometry; no crash.

      Attachments

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. MDEV-39279 ASAN error on malformed WKB

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed

          Activity

            People

              Unassigned Unassigned
              mu mu
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              Dates

                Created:
                Updated:
                Resolved:

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