external/libvisio/ubsan.patch

   1 --- src/lib/VSDParser.cpp
   2 +++ src/lib/VSDParser.cpp
   3 @@ -1104,7 +1104,11 @@
   4    input->seek(1, librevenge::RVNG_SEEK_CUR);
   5    double scale = readDouble(input);
   6    input->seek(1, librevenge::RVNG_SEEK_CUR);
   7 -  scale /= readDouble(input);
   8 +  double scaleDenom = readDouble(input);
   9 +  if (scaleDenom != 0)
  10 +  {
  11 +    scale /= scaleDenom;
  12 +  }
  13
  14    if (m_isStencilStarted && m_currentStencil)
  15    {