From: Debian Science Maintainers <debian-science-maintainers@lists.alioth.debian.org>
Date: Sat, 21 Feb 2026 10:59:19 +0000 (+0100)
Subject: matplotlib_nullptr_s390x
X-Git-Tag: archive/raspbian/9.5.2+dfsg3-8+rpi1^2~1
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:/?a=commitdiff_plain;h=fcb306406037d8f1a91b9f0b4b6e37ac8d96c4f1;p=vtk9.git

matplotlib_nullptr_s390x

===================================================================

Gbp-Pq: Name matplotlib_nullptr_s390x.patch
---

diff --git a/Rendering/Matplotlib/vtkMatplotlibMathTextUtilities.cxx b/Rendering/Matplotlib/vtkMatplotlibMathTextUtilities.cxx
index d8261ac2..dcff6556 100644
--- a/Rendering/Matplotlib/vtkMatplotlibMathTextUtilities.cxx
+++ b/Rendering/Matplotlib/vtkMatplotlibMathTextUtilities.cxx
@@ -1029,6 +1029,12 @@ bool vtkMatplotlibMathTextUtilities::RenderOneCell(vtkImageData* image, int bbox
     {
       unsigned char* ptr = static_cast<unsigned char*>(image->GetScalarPointer(col, row, 0));
 
+      if (ptr == nullptr)
+      {
+	vtkErrorMacro("image returned null ScalarPointer.");
+	return false;
+      }
+
       // Background, do not load python data
       if (row > pythonRowStart || col < pythonColStart || row <= pythonRowEnd ||
         col >= pythonColEnd)