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Subject: [PATCH 3/7] BRepFill_Filling: WireFromList: We can't assume that a connected edge was found and the iterator is valid or we will crash on Edges.Remove
From: blobfish <blobfish@gmx.com>
Date: Tue, 29 Sep 2020 06:41:32 -0400
src/BRepFill/BRepFill_Filling.cxx | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
@@ -105,6 +105,7 @@
while (!Edges.IsEmpty())
{
TopTools_ListIteratorOfListOfShape itl(Edges);
+ bool found = false;
for (; itl.More(); itl.Next())
{
anEdge = TopoDS::Edge(itl.Value());
@@ -127,11 +128,17 @@
anEdge.Reverse();
V2 = V3;
}
+ found = true;
break;
}
}
- BB.Add(aWire, anEdge);
- Edges.Remove(itl);
+ if (found)
+ {
+ BB.Add(aWire, anEdge);
+ Edges.Remove(itl);
+ }
+ else
+ break;
}
aWire.Closed(Standard_True);
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