From f79ebdeaaacd08328142eedf048f77e11b035801 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
Date: Thu, 10 Mar 2022 11:21:02 +0000
Subject: [PATCH] ofz#44982 limit matrices for fuzzing, but allow importing a
 little
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Change-Id: I708811e7e4900fc5d79445e91dc895def552d77f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131314
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
---
 sc/source/core/data/documen4.cxx | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sc/source/core/data/documen4.cxx b/sc/source/core/data/documen4.cxx
index b7eecde0edb1..9ec96b77b243 100644
--- a/sc/source/core/data/documen4.cxx
+++ b/sc/source/core/data/documen4.cxx
@@ -271,6 +271,14 @@ void ScDocument::InsertMatrixFormula(SCCOL nCol1, SCROW nRow1,
         SAL_WARN("sc", "ScDocument::InsertMatrixFormula: No table marked");
         return;
     }
+    if (utl::ConfigManager::IsFuzzing())
+    {
+        // just too slow
+        if (nCol2 - nCol1 > 1024)
+            return;
+        if (nRow2 - nRow1 > 1024)
+            return;
+    }
     assert( ValidColRow( nCol1, nRow1) && ValidColRow( nCol2, nRow2));
 
     SCTAB nTab1 = *rMark.begin();