ofz#46794 Timeout

Change-Id: I58bfdbe4bab0ee8b7ff49f937711dff649392bbc
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133373
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

hwpfilter/source/hwpreader.cxx

@@ -29,6 +29,7 @@
 #include <tools/stream.hxx>
 #include <basegfx/numeric/ftools.hxx>
 #include <basegfx/point/b2dpoint.hxx>
+#include <unotools/configmgr.hxx>
 
 #include "fontmap.hxx"
 #include "formula.h"
@@ -40,6 +41,7 @@
 #include <sal/types.h>
 #include <rtl/character.hxx>
 #include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
 
 // xmloff/xmlkyd.hxx
 constexpr OUStringLiteral sXML_CDATA = u"CDATA";
@@ -955,6 +957,12 @@ void HwpReader::makeMasterStyles()
     PageSetting *pPrevSet = nullptr;
     PageSetting *pPage = nullptr;
 
+    if (nMax > SAL_MAX_UINT16 && utl::ConfigManager::IsFuzzing())
+    {
+        SAL_WARN("filter.hwp", "too many pages: " << nMax << " clip to " << SAL_MAX_UINT16);
+        nMax = SAL_MAX_UINT16;
+    }
+
     for( i = 1; i <= nMax ; i++ )
     {
         if( i == 1 )

include/sal/log-areas.dox

@@ -227,6 +227,7 @@ certain functionality.
 
 @li @c filter.config
 @li @c filter.eps
+@li @c filter.hwp - Hangul word processor import
 @li @c filter.icgm
 @li @c filter.ms - escher import/export
 @li @c filter.odfflatxml