svl: fix crash in SfxItemSet::dumpAsXml()

Change-Id: I64cb14a740d6874ce288f249953984116648a470
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114759
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>

1 files changed, 11 insertions, 1 deletions

diff --git a/svl/source/items/itemset.cxx b/svl/source/items/itemset.cxx
index dea82de88d64..b234543a28f4 100644
--- a/svl/source/items/itemset.cxx
+++ b/svl/source/items/itemset.cxx
@@ -1531,7 +1531,17 @@ void SfxItemSet::dumpAsXml(xmlTextWriterPtr pWriter) const
     (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxItemSet"));
     SfxItemIter aIter(*this);
     for (const SfxPoolItem* pItem = aIter.GetCurItem(); pItem; pItem = aIter.NextItem())
-         pItem->dumpAsXml(pWriter);
+    {
+        if (IsInvalidItem(pItem))
+        {
+            (void)xmlTextWriterStartElement(pWriter, BAD_CAST("invalid"));
+            (void)xmlTextWriterEndElement(pWriter);
+        }
+        else
+        {
+            pItem->dumpAsXml(pWriter);
+        }
+    }
     (void)xmlTextWriterEndElement(pWriter);
 }