From e1dee0aaacd8e30e2949053ebf351d76bad14ac3 Mon Sep 17 00:00:00 2001
From: Markus Mohrhard <markus.mohrhard@googlemail.com>
Date: Thu, 4 Oct 2012 19:55:04 +0200
Subject: limit degree for b-spline to 15 to prevent std::bad_alloc, fdo#46100

Change-Id: Ib801c6af84b52ed093be2ba5eba902513bfa4070
---
 chart2/source/view/charttypes/Splines.cxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/chart2/source/view/charttypes/Splines.cxx b/chart2/source/view/charttypes/Splines.cxx
index 7129d4450837..8cb7fcb2d7aa 100644
--- a/chart2/source/view/charttypes/Splines.cxx
+++ b/chart2/source/view/charttypes/Splines.cxx
@@ -24,6 +24,8 @@
 #include <algorithm>
 #include <functional>
 
+#define MAX_BSPLINE_DEGREE 15
+
 //.............................................................................
 namespace chart
 {
@@ -691,7 +693,9 @@ void SplineCalculater::CalculateBSplines(
     // ODF1.2 spec variable p
     OSL_ASSERT( nResolution > 1 );
     OSL_ASSERT( nDegree >= 1 );
-    sal_uInt32 p = nDegree;
+
+    // limit the b-spline degree to prevent insanely large sets of points
+    sal_uInt32 p = std::min<sal_uInt32>(nDegree, MAX_BSPLINE_DEGREE);
 
     rResult.SequenceX.realloc(0);
     rResult.SequenceY.realloc(0);
-- 
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