[postgis-tickets] [PostGIS] #4031: ST_CurveToLine with small tolerance sometimes causes invalid memory alloc request size

[PostGIS]

#4031: ST_CurveToLine with small tolerance sometimes causes invalid memory alloc
request size
----------------------+----------------------------
  Reporter:  kkgeodk  |      Owner:  strk
      Type:  defect   |     Status:  assigned
  Priority:  medium   |  Milestone:  PostGIS 2.5.0
 Component:  postgis  |    Version:  2.2.x
Resolution:           |   Keywords:  ST_CurveToLine
----------------------+----------------------------

Comment (by strk):

 Reduced testcase:
 {{{
 select ST_CurveToLine('CIRCULARSTRING
 (2730145.49367034 1278364.50230843,
  2730145.54567269 1278364.69930594,
  2730145.59567509 1278364.89730345,
  2730145.59567514 1278364.90030341,
  2730145.59667517 1278364.90330337,
  2730145.64567761 1278365.10230086,
  2730145.6916793 1278365.30129822
 )'::geometry, 1, 1, 1);
 }}}

 NOT requesting symmetric output quickly returns a result.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4031#comment:6>
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