ofz#45878 add a way to set some limit on hugely complex clips

Change-Id: I6bbf7c6068560e3bb656560fb5c6cc2ed72cecd4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131907
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/vcl/source/gdi/region.cxx b/vcl/source/gdi/region.cxx
index 5293aa52328b..1f947f9b68fc 100644
--- a/vcl/source/gdi/region.cxx
+++ b/vcl/source/gdi/region.cxx
@@ -989,12 +989,15 @@ void vcl::Region::Intersect( const vcl::Region& rRegion )
             return;
         }
 
+        static size_t gPointLimit = !utl::ConfigManager::IsFuzzing() ? SAL_MAX_SIZE : SAL_MAX_INT16;
+        size_t nPointLimit(gPointLimit);
         const basegfx::B2DPolyPolygon aClip(
             basegfx::utils::clipPolyPolygonOnPolyPolygon(
                 aOtherPolyPoly,
                 aThisPolyPoly,
                 true,
-                false));
+                false,
+                &nPointLimit));
         *this = vcl::Region( aClip );
         return;
     }