Fix #29965: Crash: Memory psys node array: end corrupt

Original indices from right operand were used in boolean result derived mesh
which lead to crash if right operand has got more entities (faces/edges/vertices)
than left operand.

source/blender/modifiers/intern/MOD_boolean_util.c

@@ -350,7 +350,7 @@ static DerivedMesh *ConvertCSGDescriptorsToDerivedMesh(
 	GHash *material_hash = NULL;
 	Mesh *me1= (Mesh*)ob1->data;
 	Mesh *me2= (Mesh*)ob2->data;
-	int i;
+	int i, *origindex_layer;
 
 	// create a new DerivedMesh
 	result = CDDM_new(vertex_it->num_elements, 0, face_it->num_elements);
@@ -379,6 +379,8 @@ static DerivedMesh *ConvertCSGDescriptorsToDerivedMesh(
 		*totmat = 0;
 	}
 
+	origindex_layer = result->getFaceDataArray(result, CD_ORIGINDEX);
+
 	// step through the face iterators
 	for(i = 0; !face_it->Done(face_it->it); i++) {
 		Mesh *orig_me;
@@ -427,6 +429,9 @@ static DerivedMesh *ConvertCSGDescriptorsToDerivedMesh(
 					  (orig_me == me2)? mapmat: NULL);
 
 		test_index_face(mface, &result->faceData, i, csgface.vertex_number);
+
+		if(origindex_layer && orig_ob == ob2)
+			origindex_layer[i] = ORIGINDEX_NONE;
 	}
 
 	if (material_hash)