[PostGIS] #5947: Crash in ST_ModEdgeHeal

[PostGIS]

#5947: Crash in ST_ModEdgeHeal
-----------------------+---------------------------
  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  blocker   |  Milestone:  PostGIS 3.5.4
 Component:  topology  |    Version:  3.5.x
Resolution:            |   Keywords:  garden
-----------------------+---------------------------
Comment (by strk):

 I suppose this is because we use lwrealloc assuming it will behave the
 same as realloc while it does not, when the pointer to be "re"-allocated
 points to NULL

 https://postgrespro.com/list/thread-id/1648918
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5947#comment:1>
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.