Merge pull request #44504 from qgis/backport-44503-to-release-3_20

[Backport release-3_20] Add safety check
qgis · Aug 2, 2021 · 9d2bcfa · 9d2bcfa
2 parents c76516b + 7a43648
commit 9d2bcfa
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/core/pal/pointset.cpp b/src/core/pal/pointset.cpp
@@ -558,6 +558,8 @@ void PointSet::offsetCurveByDistance( double distance )
   try
   {
     newGeos = GEOSOffsetCurve_r( geosctxt, mGeos, distance, 0, GEOSBUF_JOIN_MITRE, 2 );
+    if ( !newGeos )
+      return;
 
     // happens sometime, if the offset curve self-intersects
     if ( GEOSGeomTypeId_r( geosctxt, newGeos ) == GEOS_MULTILINESTRING )