[PostGIS] #5905: Server crashes when input geometries with excessive nesting are passed to ST_DumpPoints or ST_DumpSegments

[PostGIS]

#5905: Server crashes when input geometries with excessive nesting are passed to
ST_DumpPoints or ST_DumpSegments
-------------------------------------------------+-------------------------
 Reporter:  dmyzl                                |      Owner:  pramsey
     Type:  defect                               |     Status:  new
 Priority:  medium                               |  Milestone:  PostGIS
                                                 |  3.5.3
Component:  postgis                              |    Version:  3.5.x
 Keywords:  ST_DumpPoints ST_DumpSegments crash  |
-------------------------------------------------+-------------------------
 The server crashes when executing the following SQL statement:

 {{{
 select geom_dump.path,st_asewkt(geom_dump.geom) from
 ST_DumpPoints(ST_GeomFromText('geometrycollection(geometrycollection(
 geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(
 geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(
 geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(
 geometrycollection(multipoint empty,point(0 0), multilinestring empty,
 multilinestring((0 0, 1 1 ),(1 1, 2
 2)))))))))))))))))))))))))))))))))))',4269)) as geom_dump;

 select geom_dump.path,st_asewkt(geom_dump.geom) from
 ST_DumpSegments(ST_GeomFromText('geometrycollection(geometrycollection(
 geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(
 geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(
 geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(geometrycollection(
 geometrycollection(multipoint empty,point(0 0), multilinestring empty,
 multilinestring((0 0, 1 1 ),(1 1, 2
 2)))))))))))))))))))))))))))))))))))',4269)) as geom_dump;
 }}}

 postgis_full_version:

 {{{
 POSTGIS="3.5.3 0" [EXTENSION] PGSQL="170" GEOS="3.13.1-CAPI-1.19.2"
 SFCGAL="SFCGAL 1.5.0, CGAL 5.6, BOOST 1.74.0" PROJ="9.3.1
 NETWORK_ENABLED=OFF URL_ENDPOINT=https://cdn.proj.org
 USER_WRITABLE_DIRECTORY=/home/yzl/.local/share/proj
 DATABASE_PATH=/home/yzl/project/build_pg_postgis/proj-9.3.1/tmp_install/share/proj/proj.db"
 (compiled against PROJ 9.3.1) GDAL="GDAL 3.7.2, released 2023/09/05"
 LIBXML="2.9.13" LIBJSON="0.17" LIBPROTOBUF="1.3.3" WAGYU="0.5.0
 (Internal)" (core procs from "3.5.2 dea6d0a" need upgrade) TOPOLOGY
 (topology procs from "3.5.2 dea6d0a" need upgrade) RASTER (raster procs
 from "3.5.2 dea6d0a" need upgrade) (sfcgal procs from "3.5.2 dea6d0a" need
 upgrade)
 }}}
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5905>
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