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| author | Caolán McNamara <caolanm@redhat.com> | 2022-03-18 11:48:52 +0000 |
|---|---|---|
| committer | Caolán McNamara <caolanm@redhat.com> | 2022-03-18 16:15:31 +0100 |
| commit | 0f31597dcc144cbb9c7dead9a6f2154ba1c044e6 (patch) | |
| tree | d815152add9230c3dd09e847580dba88fd737bc8 | |
| parent | 9074f5602a9b0b51349647f29d8537256217ebe7 (diff) | |
ofz: Timeout in clipPolyPolygonOnPolyPolygon
Change-Id: I4257cd7133b29a2f5ae3407a5284965eb0814462
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131737
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
| -rw-r--r-- | vcl/source/gdi/region.cxx | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/vcl/source/gdi/region.cxx b/vcl/source/gdi/region.cxx index 22f2c3acc885..7567bd08d5bf 100644 --- a/vcl/source/gdi/region.cxx +++ b/vcl/source/gdi/region.cxx @@ -33,6 +33,7 @@ #include <basegfx/range/b2drange.hxx> #include <basegfx/matrix/b2dhommatrixtools.hxx> #include <tools/poly.hxx> +#include <unotools/configmgr.hxx> namespace { @@ -1570,6 +1571,13 @@ SvStream& ReadRegion(SvStream& rIStrm, vcl::Region& rRegion) { tools::PolyPolygon aNewPoly; ReadPolyPolygon(rIStrm, aNewPoly); + const auto nPolygons = aNewPoly.Count(); + if (nPolygons > 128) + { + SAL_WARN("vcl.gdi", "suspicously high no of polygons in clip:" << nPolygons); + if (utl::ConfigManager::IsFuzzing()) + aNewPoly.Clear(); + } rRegion.mpPolyPolygon = aNewPoly; } } |