fix oss-fuzz build

Change-Id: I22823323e0b4e15dbd6ea5f7efd35301995315bf

46 files changed, 240 insertions, 2 deletions

diff --git a/config_host/config_fuzzers.h.in b/config_host/config_fuzzers.h.in
new file mode 100644
index 000000000000..a33823260a9e
--- /dev/null
+++ b/config_host/config_fuzzers.h.in
@@ -0,0 +1,10 @@
+/*
+Settings for fuzzers mode
+*/
+
+#ifndef CONFIG_FUZZERS_H
+#define CONFIG_FUZZERS_H
+
+#define ENABLE_FUZZERS 0
+
+#endif
diff --git a/configure.ac b/configure.ac
index 145505c6e390..92d21b8d0385 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9245,7 +9245,7 @@ if test "$enable_fuzzers" != yes; then
 else
     AC_MSG_RESULT([yes])
     ENABLE_FUZZERS="TRUE"
-    AC_DEFINE(ENABLE_FUZZERS)
+    AC_DEFINE([ENABLE_FUZZERS],1)
     BUILD_TYPE="$BUILD_TYPE FUZZERS"
 fi
 AC_SUBST(ENABLE_FUZZERS)
@@ -12863,6 +12863,7 @@ AC_CONFIG_HEADERS([config_host/config_dbus.h])
 AC_CONFIG_HEADERS([config_host/config_features.h])
 AC_CONFIG_HEADERS([config_host/config_firebird.h])
 AC_CONFIG_HEADERS([config_host/config_folders.h])
+AC_CONFIG_HEADERS([config_host/config_fuzzers.h])
 AC_CONFIG_HEADERS([config_host/config_gio.h])
 AC_CONFIG_HEADERS([config_host/config_global.h])
 AC_CONFIG_HEADERS([config_host/config_gpgme.h])
diff --git a/solenv/bin/native-code.py b/solenv/bin/native-code.py
index 8bde580dda5a..e6fa5f3a2431 100755
--- a/solenv/bin/native-code.py
+++ b/solenv/bin/native-code.py
@@ -609,6 +609,7 @@ print ("""/*
  */
 
 #include <config_features.h>
+#include <config_fuzzers.h>
 #include <config_gpgme.h>
 #include <osl/detail/component-mapping.h>
 #include <string.h>
@@ -639,18 +640,25 @@ print ('')
 for entry in sorted(custom_widgets):
     print ('void make' + entry + '();')
 print ('typedef void (*custom_widget_func)();')
+print ('#if !defined(ENABLE_FUZZERS)')
 print ('static struct { const char *name; custom_widget_func func; } custom_widgets[] = {')
 for entry in sorted(custom_widgets):
     print ('    { "make' + entry + '", make' + entry + ' },')
 print ('};')
+print ('#endif')
 print ('')
 print ("""
 custom_widget_func lo_get_custom_widget_func(const char* name)
 {
+#if defined(ENABLE_FUZZERS)
+    (void)name;
+    return nullptr;
+#else
     for (size_t i = 0; i < sizeof(custom_widgets) / sizeof(custom_widgets[0]); i++)
         if (strcmp(name, custom_widgets[i].name) == 0)
             return custom_widgets[i].func;
     return nullptr;
+#endif
 }
 """)
 
diff --git a/vcl/Executable_mtpfuzzer.mk b/vcl/Executable_mtpfuzzer.mk
index 8d96c618ba37..73e30b257007 100644
--- a/vcl/Executable_mtpfuzzer.mk
+++ b/vcl/Executable_mtpfuzzer.mk
@@ -34,7 +34,6 @@ $(eval $(call gb_Executable_use_libraries,mtpfuzzer,\
 $(eval $(call gb_Executable_use_static_libraries,mtpfuzzer,\
     findsofficepath \
     ulingu \
-    fuzzer_math \
     fuzzerstubs \
 ))
 
diff --git a/vcl/workben/602fuzzer.cxx b/vcl/workben/602fuzzer.cxx
index 7fc085da79ca..6fb96a4c778c 100644
--- a/vcl/workben/602fuzzer.cxx
+++ b/vcl/workben/602fuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool TestImport602(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/bmpfuzzer.cxx b/vcl/workben/bmpfuzzer.cxx
index 0029cb1d00d5..8e22aabafc21 100644
--- a/vcl/workben/bmpfuzzer.cxx
+++ b/vcl/workben/bmpfuzzer.cxx
@@ -40,6 +40,11 @@ extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
     return 0;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
 {
     SvMemoryStream aStream(const_cast<uint8_t*>(data), size, StreamMode::READ);
diff --git a/vcl/workben/cgmfuzzer.cxx b/vcl/workben/cgmfuzzer.cxx
index 73b37b934a10..624d156e4c8a 100644
--- a/vcl/workben/cgmfuzzer.cxx
+++ b/vcl/workben/cgmfuzzer.cxx
@@ -100,6 +100,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportCGM(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/diffuzzer.cxx b/vcl/workben/diffuzzer.cxx
index 42735bdb5a3c..c9bc77a16e99 100644
--- a/vcl/workben/diffuzzer.cxx
+++ b/vcl/workben/diffuzzer.cxx
@@ -64,6 +64,10 @@ const lib_to_constructor_mapping* lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*) { return nullptr; }
+
+extern "C" void* ScCreateDialogFactory() { return nullptr; }
+
 extern "C" bool TestImportDIF(SvStream& rStream);
 
 extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
diff --git a/vcl/workben/docxfuzzer.cxx b/vcl/workben/docxfuzzer.cxx
index 9d36b5add2fd..d8751bd0f1bb 100644
--- a/vcl/workben/docxfuzzer.cxx
+++ b/vcl/workben/docxfuzzer.cxx
@@ -11,6 +11,11 @@
 #include <vcl/FilterConfigItem.hxx>
 #include "commonfuzzer.hxx"
 
+extern "C" void* SwCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportDOCX(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/dxffuzzer.cxx b/vcl/workben/dxffuzzer.cxx
index 2b062ebf65c6..6ca526a1d8cf 100644
--- a/vcl/workben/dxffuzzer.cxx
+++ b/vcl/workben/dxffuzzer.cxx
@@ -43,6 +43,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool idxGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/epsfuzzer.cxx b/vcl/workben/epsfuzzer.cxx
index 3105bf76dcc5..effb05193aa1 100644
--- a/vcl/workben/epsfuzzer.cxx
+++ b/vcl/workben/epsfuzzer.cxx
@@ -43,6 +43,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool ipsGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/fodsfuzzer.cxx b/vcl/workben/fodsfuzzer.cxx
index b56a8e84f707..370eed84fb2f 100644
--- a/vcl/workben/fodsfuzzer.cxx
+++ b/vcl/workben/fodsfuzzer.cxx
@@ -11,6 +11,11 @@
 #include <vcl/FilterConfigItem.hxx>
 #include "commonfuzzer.hxx"
 
+extern "C" void* ScCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportFODS(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/fodtfuzzer.cxx b/vcl/workben/fodtfuzzer.cxx
index b881c6af2157..c2e837b14dbd 100644
--- a/vcl/workben/fodtfuzzer.cxx
+++ b/vcl/workben/fodtfuzzer.cxx
@@ -11,6 +11,11 @@
 #include <vcl/FilterConfigItem.hxx>
 #include "commonfuzzer.hxx"
 
+extern "C" void* SwCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportFODT(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/giffuzzer.cxx b/vcl/workben/giffuzzer.cxx
index 482099ea807d..7a2b9a9f051a 100644
--- a/vcl/workben/giffuzzer.cxx
+++ b/vcl/workben/giffuzzer.cxx
@@ -40,6 +40,11 @@ extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
     return 0;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
 {
     SvMemoryStream aStream(const_cast<uint8_t*>(data), size, StreamMode::READ);
diff --git a/vcl/workben/htmlfuzzer.cxx b/vcl/workben/htmlfuzzer.cxx
index 7acbf1eb2881..96c9171c1446 100644
--- a/vcl/workben/htmlfuzzer.cxx
+++ b/vcl/workben/htmlfuzzer.cxx
@@ -11,6 +11,8 @@
 #include <vcl/FilterConfigItem.hxx>
 #include "commonfuzzer.hxx"
 
+extern "C" void* SwCreateDialogFactory() { return nullptr; }
+
 extern "C" bool TestImportHTML(SvStream& rStream);
 
 extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
diff --git a/vcl/workben/hwpfuzzer.cxx b/vcl/workben/hwpfuzzer.cxx
index acff28cdb178..430b1bdfc82e 100644
--- a/vcl/workben/hwpfuzzer.cxx
+++ b/vcl/workben/hwpfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportHWP(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/jpgfuzzer.cxx b/vcl/workben/jpgfuzzer.cxx
index 0fe6fc9076ee..5850deec5882 100644
--- a/vcl/workben/jpgfuzzer.cxx
+++ b/vcl/workben/jpgfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
 {
     TypicalFuzzerInitialize(argc, argv);
diff --git a/vcl/workben/lwpfuzzer.cxx b/vcl/workben/lwpfuzzer.cxx
index 76819a711b89..fc07045420fa 100644
--- a/vcl/workben/lwpfuzzer.cxx
+++ b/vcl/workben/lwpfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportLWP(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/metfuzzer.cxx b/vcl/workben/metfuzzer.cxx
index 285a27b76909..fd506432996e 100644
--- a/vcl/workben/metfuzzer.cxx
+++ b/vcl/workben/metfuzzer.cxx
@@ -43,6 +43,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool imeGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/mtpfuzzer.cxx b/vcl/workben/mtpfuzzer.cxx
index 51313955b2b2..8ed271ced993 100644
--- a/vcl/workben/mtpfuzzer.cxx
+++ b/vcl/workben/mtpfuzzer.cxx
@@ -28,6 +28,8 @@ const lib_to_constructor_mapping* lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*) { return nullptr; }
+
 extern "C" bool TestImportMathType(SvStream& rStream);
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
diff --git a/vcl/workben/olefuzzer.cxx b/vcl/workben/olefuzzer.cxx
index 7193a0292575..4d67ab57e72a 100644
--- a/vcl/workben/olefuzzer.cxx
+++ b/vcl/workben/olefuzzer.cxx
@@ -42,6 +42,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportOLE2(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/pcdfuzzer.cxx b/vcl/workben/pcdfuzzer.cxx
index fe437adf66e2..ccd0367535be 100644
--- a/vcl/workben/pcdfuzzer.cxx
+++ b/vcl/workben/pcdfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool icdGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/pctfuzzer.cxx b/vcl/workben/pctfuzzer.cxx
index daa9f3df147c..a916920c4b9f 100644
--- a/vcl/workben/pctfuzzer.cxx
+++ b/vcl/workben/pctfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool iptGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/pcxfuzzer.cxx b/vcl/workben/pcxfuzzer.cxx
index 32e2a88f860d..e2b72fb7e765 100644
--- a/vcl/workben/pcxfuzzer.cxx
+++ b/vcl/workben/pcxfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool ipxGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/pngfuzzer.cxx b/vcl/workben/pngfuzzer.cxx
index a88784e1af17..2a3357830007 100644
--- a/vcl/workben/pngfuzzer.cxx
+++ b/vcl/workben/pngfuzzer.cxx
@@ -40,6 +40,11 @@ extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
     return 0;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
 {
     SvMemoryStream aStream(const_cast<uint8_t*>(data), size, StreamMode::READ);
diff --git a/vcl/workben/ppmfuzzer.cxx b/vcl/workben/ppmfuzzer.cxx
index 21010c3e025d..854d457c5503 100644
--- a/vcl/workben/ppmfuzzer.cxx
+++ b/vcl/workben/ppmfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool ipbGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/pptfuzzer.cxx b/vcl/workben/pptfuzzer.cxx
index 792cd2f9b6c8..a10f8b218c0f 100644
--- a/vcl/workben/pptfuzzer.cxx
+++ b/vcl/workben/pptfuzzer.cxx
@@ -98,6 +98,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportPPT(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/psdfuzzer.cxx b/vcl/workben/psdfuzzer.cxx
index 715588cc5932..a1bb1823d483 100644
--- a/vcl/workben/psdfuzzer.cxx
+++ b/vcl/workben/psdfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool ipdGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/qpwfuzzer.cxx b/vcl/workben/qpwfuzzer.cxx
index 14a05ee4ea7a..0b1fe636240e 100644
--- a/vcl/workben/qpwfuzzer.cxx
+++ b/vcl/workben/qpwfuzzer.cxx
@@ -61,6 +61,16 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
+extern "C" void* ScCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportQPW(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/rasfuzzer.cxx b/vcl/workben/rasfuzzer.cxx
index bb78df03fea7..734180b5998b 100644
--- a/vcl/workben/rasfuzzer.cxx
+++ b/vcl/workben/rasfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool iraGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/rtffuzzer.cxx b/vcl/workben/rtffuzzer.cxx
index 028efda90351..da039085bca5 100644
--- a/vcl/workben/rtffuzzer.cxx
+++ b/vcl/workben/rtffuzzer.cxx
@@ -62,6 +62,16 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
+extern "C" void* SwCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportRTF(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/scrtffuzzer.cxx b/vcl/workben/scrtffuzzer.cxx
index cf9d88c66159..0646d71c295e 100644
--- a/vcl/workben/scrtffuzzer.cxx
+++ b/vcl/workben/scrtffuzzer.cxx
@@ -61,6 +61,10 @@ const lib_to_constructor_mapping* lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*) { return nullptr; }
+
+extern "C" void* ScCreateDialogFactory() { return nullptr; }
+
 extern "C" bool TestImportCalcRTF(SvStream& rStream);
 
 extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
diff --git a/vcl/workben/sftfuzzer.cxx b/vcl/workben/sftfuzzer.cxx
index 31b96e7cff6d..fc951ddc1468 100644
--- a/vcl/workben/sftfuzzer.cxx
+++ b/vcl/workben/sftfuzzer.cxx
@@ -27,6 +27,8 @@ const lib_to_constructor_mapping* lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*) { return nullptr; }
+
 extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
 {
     TypicalFuzzerInitialize(argc, argv);
diff --git a/vcl/workben/slkfuzzer.cxx b/vcl/workben/slkfuzzer.cxx
index a1e1d72ebd3e..9b8463bdc4fa 100644
--- a/vcl/workben/slkfuzzer.cxx
+++ b/vcl/workben/slkfuzzer.cxx
@@ -61,6 +61,16 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
+extern "C" void* ScCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportSLK(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/svmfuzzer.cxx b/vcl/workben/svmfuzzer.cxx
index a36d7dc2215d..5ef7366c1889 100644
--- a/vcl/workben/svmfuzzer.cxx
+++ b/vcl/workben/svmfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
 {
     TypicalFuzzerInitialize(argc, argv);
diff --git a/vcl/workben/tgafuzzer.cxx b/vcl/workben/tgafuzzer.cxx
index d0c9e0a0a202..47ba63b71da7 100644
--- a/vcl/workben/tgafuzzer.cxx
+++ b/vcl/workben/tgafuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool itgGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/tiffuzzer.cxx b/vcl/workben/tiffuzzer.cxx
index 6e7dd7b16722..2ca83d7b05d8 100644
--- a/vcl/workben/tiffuzzer.cxx
+++ b/vcl/workben/tiffuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" bool itiGraphicImport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pConfigItem);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/wksfuzzer.cxx b/vcl/workben/wksfuzzer.cxx
index 36e25f82761d..e4eae020159d 100644
--- a/vcl/workben/wksfuzzer.cxx
+++ b/vcl/workben/wksfuzzer.cxx
@@ -13,6 +13,8 @@
 #include <com/sun/star/ucb/XUniversalContentBroker.hpp>
 #include "commonfuzzer.hxx"
 
+extern "C" void* ScCreateDialogFactory() { return nullptr; }
+
 extern "C" bool TestImportWKS(SvStream& rStream);
 
 extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
diff --git a/vcl/workben/wmffuzzer.cxx b/vcl/workben/wmffuzzer.cxx
index b6ea0b593c86..7cc43d793d60 100644
--- a/vcl/workben/wmffuzzer.cxx
+++ b/vcl/workben/wmffuzzer.cxx
@@ -46,6 +46,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
 {
     TypicalFuzzerInitialize(argc, argv);
diff --git a/vcl/workben/ww2fuzzer.cxx b/vcl/workben/ww2fuzzer.cxx
index 6ec5be024623..c6a44111f510 100644
--- a/vcl/workben/ww2fuzzer.cxx
+++ b/vcl/workben/ww2fuzzer.cxx
@@ -76,6 +76,16 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
+extern "C" void* SwCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportWW2(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/ww6fuzzer.cxx b/vcl/workben/ww6fuzzer.cxx
index c929222251aa..d98b7a579448 100644
--- a/vcl/workben/ww6fuzzer.cxx
+++ b/vcl/workben/ww6fuzzer.cxx
@@ -78,6 +78,16 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
+extern "C" void* SwCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportWW6(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/ww8fuzzer.cxx b/vcl/workben/ww8fuzzer.cxx
index 16f49f119e15..a1c6a8544655 100644
--- a/vcl/workben/ww8fuzzer.cxx
+++ b/vcl/workben/ww8fuzzer.cxx
@@ -78,6 +78,16 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
+extern "C" void* SwCreateDialogFactory()
+{
+    return nullptr;
+}
+
 extern "C" bool TestImportWW8(SvStream &rStream);
 
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
diff --git a/vcl/workben/xbmfuzzer.cxx b/vcl/workben/xbmfuzzer.cxx
index 0dab121ed1fb..bb261f60a93f 100644
--- a/vcl/workben/xbmfuzzer.cxx
+++ b/vcl/workben/xbmfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
 {
     TypicalFuzzerInitialize(argc, argv);
diff --git a/vcl/workben/xlsfuzzer.cxx b/vcl/workben/xlsfuzzer.cxx
index 014e7b917aca..2878bd5cc1a4 100644
--- a/vcl/workben/xlsfuzzer.cxx
+++ b/vcl/workben/xlsfuzzer.cxx
@@ -13,6 +13,8 @@
 #include <com/sun/star/ucb/XUniversalContentBroker.hpp>
 #include "commonfuzzer.hxx"
 
+extern "C" void* ScCreateDialogFactory() { return nullptr; }
+
 extern "C" bool TestImportXLS(SvStream& rStream);
 
 extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
diff --git a/vcl/workben/xlsxfuzzer.cxx b/vcl/workben/xlsxfuzzer.cxx
index ae4d74fed9cf..279fdceb7e20 100644
--- a/vcl/workben/xlsxfuzzer.cxx
+++ b/vcl/workben/xlsxfuzzer.cxx
@@ -11,6 +11,8 @@
 #include <vcl/FilterConfigItem.hxx>
 #include "commonfuzzer.hxx"
 
+extern "C" void* ScCreateDialogFactory() { return nullptr; }
+
 extern "C" bool TestImportXLSX(SvStream& rStream);
 
 extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
diff --git a/vcl/workben/xpmfuzzer.cxx b/vcl/workben/xpmfuzzer.cxx
index e5160414ccaf..700761d1725f 100644
--- a/vcl/workben/xpmfuzzer.cxx
+++ b/vcl/workben/xpmfuzzer.cxx
@@ -34,6 +34,11 @@ lo_get_constructor_map(void)
     return map;
 }
 
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
 {
     TypicalFuzzerInitialize(argc, argv);