[postgis-tickets] [PostGIS] #4218: Memory leak in lwline_clip_to_ordinate_range

[PostGIS]

#4218: Memory leak in lwline_clip_to_ordinate_range
------------------------+---------------------------
 Reporter:  Algunenano  |      Owner:  pramsey
     Type:  defect      |     Status:  new
 Priority:  high        |  Milestone:  PostGIS 3.0.0
Component:  postgis     |    Version:  trunk
 Keywords:              |
------------------------+---------------------------
 Detected when running unit tests (`test_lwmline_clip`):

 {{{
 Direct leak of 16 byte(s) in 2 object(s) allocated from:
     #0 0x556b12c5f1d9 in __interceptor_malloc
 (/home/raul/dev/public/postgis/liblwgeom/cunit/.libs/lt-cu_tester+0xf81d9)
     #1 0x7fa0b14dff89 in lwcollection_construct_empty
 /home/raul/dev/public/postgis/liblwgeom/lwcollection.c:106:15
     #2 0x7fa0b152b96a in lwline_clip_to_ordinate_range
 /home/raul/dev/public/postgis/liblwgeom/lwlinearreferencing.c:581:15
     #3 0x7fa0b152b96a in lwgeom_clip_to_ordinate_range
 /home/raul/dev/public/postgis/liblwgeom/lwlinearreferencing.c:886
     #4 0x7fa0b152b015 in lwcollection_clip_to_ordinate_range
 /home/raul/dev/public/postgis/liblwgeom/lwlinearreferencing.c:858:10
     #5 0x7fa0b152b015 in lwgeom_clip_to_ordinate_range
 /home/raul/dev/public/postgis/liblwgeom/lwlinearreferencing.c:904
     #6 0x556b12c9fa3a in test_lwmline_clip
 /home/raul/dev/public/postgis/liblwgeom/cunit/cu_algorithm.c:774:6
     #7 0x7fa0b11ec117  (/usr/lib/libcunit.so.1+0x4117)

 Direct leak of 16 byte(s) in 2 object(s) allocated from:
     #0 0x556b12c5f1d9 in __interceptor_malloc
 (/home/raul/dev/public/postgis/liblwgeom/cunit/.libs/lt-cu_tester+0xf81d9)
     #1 0x7fa0b14dff89 in lwcollection_construct_empty
 /home/raul/dev/public/postgis/liblwgeom/lwcollection.c:106:15
     #2 0x7fa0b152b96a in lwline_clip_to_ordinate_range
 /home/raul/dev/public/postgis/liblwgeom/lwlinearreferencing.c:581:15
     #3 0x7fa0b152b96a in lwgeom_clip_to_ordinate_range
 /home/raul/dev/public/postgis/liblwgeom/lwlinearreferencing.c:886
     #4 0x7fa0b152b015 in lwcollection_clip_to_ordinate_range
 /home/raul/dev/public/postgis/liblwgeom/lwlinearreferencing.c:858:10
     #5 0x7fa0b152b015 in lwgeom_clip_to_ordinate_range
 /home/raul/dev/public/postgis/liblwgeom/lwlinearreferencing.c:904
     #6 0x556b12c9f993 in test_lwmline_clip
 /home/raul/dev/public/postgis/liblwgeom/cunit/cu_algorithm.c:758:6
     #7 0x7fa0b11ec117  (/usr/lib/libcunit.so.1+0x4117)
 }}}

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4218>
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