[postgis-tickets] [PostGIS] #5320: ST_SimplifyPreserveTopology crashes with infinity coordinates
PostGIS
trac at osgeo.org
Wed Feb 8 15:05:14 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 pramsey):
The question, as always for these kinds of things, is where to put the
fix. We could put a big "no infinites" test at the PostGIS level, before
calling into GEOS. Or we could put a test in Quadtree::Root to throw an
exception in the case of infinite envelopes, since the Quadtree code is
definitely not infinite-safe. I lean towards the latter as the "correct"
fix, but it means this won't be fixed "in postgis", but in a patch release
of GEOS.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5320#comment:3>
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