[PostGIS] #5627: Empty crashes ST_Intersects

[PostGIS]

#5627: Empty crashes ST_Intersects
----------------------+---------------------------
 Reporter:  wenjing   |      Owner:  pramsey
     Type:  defect    |     Status:  new
 Priority:  critical  |  Milestone:  PostGIS 3.4.2
Component:  postgis   |    Version:  3.4.x
 Keywords:            |
----------------------+---------------------------
 The following statement crashes PostGIS:
 {{{
 DROP TABLE IF EXISTS t;
 CREATE TABLE t (id int, geom geometry);
 INSERT INTO t (id, geom) VALUES (1,ST_GeomFromText('MULTIPOLYGON(((-357
 477,-392 574,-378 574,-357 477)))'));
 INSERT INTO t (id, geom) VALUES (2,ST_GeomFromText('MULTIPOINT(EMPTY,(-378
 574),(-357 477))'));
 SELECT COUNT(*) FROM t As a1 , t As a2 WHERE ST_Intersects(a1.geom,
 a2.geom) and  a1.id <> a2.id;
 -- psql:script/simplify.sql:32: NOTICE:  lwgeom_api.c [352] called with
 n=0 and npoints=0
 -- psql:script/simplify.sql:32: server closed the connection unexpectedly
 --         This probably means the server terminated abnormally
 --         before or while processing the request.
 -- psql:script/simplify.sql:32: error: connection to server was lost
 }}}
 The stack information:
 {{{
 #0  0x00007fa09c479141 in point_in_ring_rtree (root=0x55ea670db450,
 point=0x0) at lwgeom_rtree.c:515
 #1  0x00007fa09c4793c4 in point_in_multipolygon_rtree
 (root=0x55ea670db1d8, polyCount=1,
     ringCounts=0x55ea670db1c8, point=0x55ea66d521c8) at lwgeom_rtree.c:602
 #2  0x00007fa09c4794df in pip_short_circuit (poly_cache=0x55ea670db1a0,
 point=0x55ea66d521c8,
     gpoly=0x55ea66d520f0) at lwgeom_rtree.c:658
 #3  0x00007fa09c464787 in ST_Intersects (fcinfo=0x55ea670d8d30) at
 lwgeom_geos.c:2382
 #4  0x000055ea65d530b0 in ExecInterpExpr ()
 #5  0x000055ea65d839bc in ExecNestLoop ()
 #6  0x000055ea65d662b1 in fetch_input_tuple ()
 #7  0x000055ea65d693b3 in ExecAgg ()
 #8  0x000055ea65d568e2 in standard_ExecutorRun ()
 #9  0x000055ea65ef201f in PortalRunSelect ()
 #10 0x000055ea65ef3403 in PortalRun ()
 #11 0x000055ea65eef8dd in exec_simple_query ()
 #12 0x000055ea65ef1c25 in PostgresMain ()
 #13 0x000055ea65e6bdbe in ServerLoop ()
 #14 0x000055ea65e6cd0c in PostmasterMain ()
 #15 0x000055ea65bbeba1 in main ()
 }}}


 The version is the newest on GitHub:
 {{{
 POSTGIS="3.5.0dev 3.4.0rc1-818-g6c2e935b6" [EXTENSION] PGSQL="170"
 GEOS="3.13.0dev-CAPI-1.18.0" PROJ="8.2.1
  NETWORK_ENABLED=OFF URL_ENDPOINT=https://cdn.proj.org
 USER_WRITABLE_DIRECTORY=/tmp/proj DATABASE_PATH=/usr/
 share/proj/proj.db" LIBXML="2.9.13"
 }}}
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5627>
PostGIS <http://trac.osgeo.org/postgis/>
The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project.