[postgis-devel] Issue 147 in postgis: regress_ogc_prep fails with PostgreSQL crash

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Comment #4 on issue 147 by Sandro.Santilli: regress_ogc_prep fails with  
PostgreSQL crash
http://code.google.com/p/postgis/issues/detail?id=147

I've transferred the test to the unit testing of GEOS for capi and here's  
what I get:
==3513== Invalid read of size 8
==3513==    at 0x4ECDDFD:
geos::geom::prep::PreparedPolygonContainsProperly::containsProperly(geos::geom::Geometry
const*) (PreparedPolygonContainsProperly.cpp:58)
==3513==    by 0x4ECE0EE:
geos::geom::prep::PreparedPolygon::containsProperly(geos::geom::Geometry  
const*)
const (PreparedPolygonContainsProperly.h:73)
==3513==    by 0x518D95B: GEOSPreparedContainsProperly_r  
(geos_ts_c.cpp:3799)
==3513==    by 0x50165B: void
tut::test_object<tut::test_capigeospreparedgeometry_data>::test<2>()
(GEOSPreparedGeometryTest.cpp:108)
==3513==    by 0x504147:  
tut::test_group<tut::test_capigeospreparedgeometry_data,
50>::run_test_seh_(void
(tut::test_object<tut::test_capigeospreparedgeometry_data>::*)(),
tut::test_group<tut::test_capigeospreparedgeometry_data,
50>::safe_holder<tut::test_object<tut::test_capigeospreparedgeometry_data>  
>&)
(tut.h:973)
==3513==    by 0x504430:  
tut::test_group<tut::test_capigeospreparedgeometry_data,
50>::run_test_(std::_Rb_tree_iterator<std::pair<int const, void
(tut::test_object<tut::test_capigeospreparedgeometry_data>::*)()> > const&,
tut::test_group<tut::test_capigeospreparedgeometry_data,
50>::safe_holder<tut::test_object<tut::test_capigeospreparedgeometry_data>  
>&)
(tut.h:899)
==3513==    by 0x504F18:  
tut::test_group<tut::test_capigeospreparedgeometry_data,
50>::run_next() (tut.h:862)
==3513==    by 0x40C1D6:
tut::test_runner::run_all_tests_in_group_(std::_Rb_tree_const_iterator<std::pair<std::string
const, tut::group_base*> >) const (tut.h:452)
==3513==    by 0x40BACE: main (tut.h:398)
==3513==  Address 0x5efda80 is 0 bytes inside a block of size 136 free'd
==3513==    at 0x4C2514D: operator delete(void*) (vg_replace_malloc.c:342)
==3513==    by 0x4ECDDF3:
geos::geom::prep::PreparedPolygonContainsProperly::containsProperly(geos::geom::Geometry
const*) (PreparedPolygonContainsProperly.cpp:57)
==3513==    by 0x4ECE0EE:
geos::geom::prep::PreparedPolygon::containsProperly(geos::geom::Geometry  
const*)
const (PreparedPolygonContainsProperly.h:73)
==3513==    by 0x518D95B: GEOSPreparedContainsProperly_r  
(geos_ts_c.cpp:3799)


I attach the tester, if anyone feels like trying with an older snapshot.
I don't think I touched anything related, so my bet is this is a memory  
error
which results in random bugs.

Attachments:
	GEOSPreparedGeometryTest.cpp  2.3 KB

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