[postgis-tickets] [PostGIS] #5320: ST_SimplifyPreserveTopology crashes with infinity coordinates

PostGIS trac at osgeo.org
Wed Feb 8 15:47:35 PST 2023


#5320: ST_SimplifyPreserveTopology crashes with infinity coordinates
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  Reporter:  robe     |      Owner:  robe
      Type:  defect   |     Status:  assigned
  Priority:  blocker  |  Milestone:  PostGIS 3.0.9
 Component:  postgis  |    Version:  master
Resolution:           |   Keywords:
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Comment (by mdavis):

 GEOS is generally not infinite-ordinate-safe.  Is it going to be a
 whack-a-mole exercise to find all of them and add checks?  If so, maybe it
 is best to check for Inf on the PG side, when creating GEOS geometries for
 passing to GEOS functions?
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5320#comment:4>
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