external/firebird: Avoid -fsanitize=nonnull-attribute

...that hits at least during the build of firebird with also ASan enabled
(support for which will be committed shortly):

> [...]/workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql -q -i [...]/workdir/UnpackedTarball/firebird/src/dbs/metadata.sql
> workdir/UnpackedTarball/firebird/src/jrd/btr.cpp:5394:19: runtime error: null pointer passed as argument 2, which is declared to never be null
> /usr/include/string.h:43:28: note: nonnull attribute specified here
>  #0 in insert_node(Jrd::thread_db*, Jrd::win*, Jrd::index_insertion*, Jrd::temporary_key*, RecordNumber*, unsigned int*, unsigned int*) at workdir/UnpackedTarball/firebird/src/jrd/btr.cpp:5394:2 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1ae2914)
>  #1 in add_node(Jrd::thread_db*, Jrd::win*, Jrd::index_insertion*, Jrd::temporary_key*, RecordNumber*, unsigned int*, unsigned int*) at workdir/UnpackedTarball/firebird/src/jrd/btr.cpp:2279:24 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1ac5a92)
>  #2 in BTR_insert(Jrd::thread_db*, Jrd::win*, Jrd::index_insertion*) at workdir/UnpackedTarball/firebird/src/jrd/btr.cpp:1008:21 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1ac29b5)
>  #3 in insert_key(Jrd::thread_db*, Jrd::jrd_rel*, Jrd::Record*, Jrd::jrd_tra*, Jrd::win*, Jrd::index_insertion*, Jrd::IndexErrorContext&) at workdir/UnpackedTarball/firebird/src/jrd/idx.cpp:1475:2 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1c62e01)
>  #4 in IDX_store(Jrd::thread_db*, Jrd::record_param*, Jrd::jrd_tra*) at workdir/UnpackedTarball/firebird/src/jrd/idx.cpp:1018:22 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1c661a2)
>  #5 in Jrd::StoreNode::store(Jrd::thread_db*, Jrd::jrd_req*, Jrd::StmtNode::WhichTrigger) const at workdir/UnpackedTarball/firebird/src/dsql/StmtNodes.cpp:7005:5 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x21c0c96)
>  #6 in Jrd::StoreNode::execute(Jrd::thread_db*, Jrd::jrd_req*, Jrd::StmtNode::ExeState*) const at workdir/UnpackedTarball/firebird/src/dsql/StmtNodes.cpp:6942:13 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x21bf955)
>  #7 in EXE_looper(Jrd::thread_db*, Jrd::jrd_req*, Jrd::StmtNode const*) at workdir/UnpackedTarball/firebird/src/jrd/exe.cpp:1292:17 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x157f798)
>  #8 in looper_seh(Jrd::thread_db*, Jrd::jrd_req*, Jrd::StmtNode const*) at workdir/UnpackedTarball/firebird/src/jrd/exe.cpp:1426:2 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x15834fc)
>  #9 in execute_looper(Jrd::thread_db*, Jrd::jrd_req*, Jrd::jrd_tra*, Jrd::StmtNode const*, Jrd::jrd_req::req_s) at workdir/UnpackedTarball/firebird/src/jrd/exe.cpp:1023:2 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x15740c3)
>  #10 in EXE_send(Jrd::thread_db*, Jrd::jrd_req*, unsigned short, unsigned int, unsigned char const*) at workdir/UnpackedTarball/firebird/src/jrd/exe.cpp:833:2 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1579392)
>  #11 in add_index_set(Jrd::thread_db*) at workdir/UnpackedTarball/firebird/temp/Debug/jrd/ini.cpp:2251:3 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1efb0c2)
>  #12 in INI_format(char const*, char const*) at workdir/UnpackedTarball/firebird/temp/Debug/jrd/ini.cpp:1563:2 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1eef3bd)
>  #13 in Jrd::JProvider::createDatabase(Firebird::CheckStatusWrapper*, char const*, unsigned int, unsigned char const*) at workdir/UnpackedTarball/firebird/src/jrd/jrd.cpp:2691:4 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x1864267)
>  #14 in Firebird::IProviderBaseImpl<Jrd::JProvider, Firebird::CheckStatusWrapper, Firebird::IPluginBaseImpl<Jrd::JProvider, Firebird::CheckStatusWrapper, Firebird::Inherit<Firebird::IReferenceCountedImpl<Jrd::JProvider, Firebird::CheckStatusWrapper, Firebird::Inherit<Firebird::IVersionedImpl<Jrd::JProvider, Firebird::CheckStatusWrapper, Firebird::Inherit<Firebird::IProvider> > > > > > >::cloopcreateDatabaseDispatcher(Firebird::IProvider*, Firebird::IStatus*, char const*, unsigned int, unsigned char const*) at workdir/UnpackedTarball/firebird/src/include/firebird/IdlFbInterfaces.h:9010:44 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/plugins/libEngine12.so +0x16eefb6)
>  #15 in Firebird::IAttachment* Firebird::IProvider::createDatabase<Firebird::CheckStatusWrapper>(Firebird::CheckStatusWrapper*, char const*, unsigned int, unsigned char const*) at workdir/UnpackedTarball/firebird/src/include/firebird/IdlFbInterfaces.h:2034:23 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/lib/libfbclient.so.2 +0x49cc5d)
>  #16 in Why::Dispatcher::attachOrCreateDatabase(Firebird::CheckStatusWrapper*, bool, char const*, unsigned int, unsigned char const*) at workdir/UnpackedTarball/firebird/src/yvalve/why.cpp:5681:15 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/lib/libfbclient.so.2 +0x44d0ad)
>  #17 in Why::Dispatcher::createDatabase(Firebird::CheckStatusWrapper*, char const*, unsigned int, unsigned char const*) at workdir/UnpackedTarball/firebird/src/yvalve/why.cpp:5606:9 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/lib/libfbclient.so.2 +0x44e4d4)
>  #18 in PREPARSE_execute(Firebird::CheckStatusWrapper*, Why::YAttachment**, unsigned short, char const*, bool*, unsigned short) at workdir/UnpackedTarball/firebird/src/yvalve/preparse.cpp:288:26 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/lib/libfbclient.so.2 +0x56e738)
>  #19 in Why::UtilInterface::executeCreateDatabase(Firebird::CheckStatusWrapper*, unsigned int, char const*, unsigned int, unsigned char*) at workdir/UnpackedTarball/firebird/src/yvalve/utl.cpp:587:8 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/lib/libfbclient.so.2 +0x5ee78f)
>  #20 in Firebird::IUtilBaseImpl<Why::UtilInterface, Firebird::CheckStatusWrapper, Firebird::IVersionedImpl<Why::UtilInterface, Firebird::CheckStatusWrapper, Firebird::Inherit<Firebird::IUtil> > >::cloopexecuteCreateDatabaseDispatcher(Firebird::IUtil*, Firebird::IStatus*, unsigned int, char const*, unsigned int, unsigned char*) at workdir/UnpackedTarball/firebird/src/include/firebird/IdlFbInterfaces.h:12375:44 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/lib/libfbclient.so.2 +0x60ed0b)
>  #21 in Firebird::IAttachment* Firebird::IUtil::executeCreateDatabase<Firebird::CheckStatusWrapper>(Firebird::CheckStatusWrapper*, unsigned int, char const*, unsigned int, unsigned char*) at workdir/UnpackedTarball/firebird/src/include/firebird/IdlFbInterfaces.h:3504:23 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql +0x603d95)
>  #22 in create_db(char const*, char*) at workdir/UnpackedTarball/firebird/temp/Debug/isql/isql.cpp:5314:38 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql +0x5aee53)
>  #23 in frontend(char const*) at workdir/UnpackedTarball/firebird/temp/Debug/isql/isql.cpp:6152:10 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql +0x59b585)
>  #24 in get_statement(char*, unsigned long, char const*) at workdir/UnpackedTarball/firebird/temp/Debug/isql/isql.cpp:7019:9 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql +0x596084)
>  #25 in do_isql() at workdir/UnpackedTarball/firebird/temp/Debug/isql/isql.cpp:5481:9 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql +0x57ba26)
>  #26 in ISQL_main(int, char**) at workdir/UnpackedTarball/firebird/temp/Debug/isql/isql.cpp:1693:3 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql +0x575ecc)
>  #27 in main at workdir/UnpackedTarball/firebird/temp/Debug/isql/isql.cpp:1599:9 (workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql +0x575149)
>  #28 in __libc_start_main at /usr/src/debug/glibc-2.26-146-gd300041c53/csu/../csu/libc-start.c:308 (/lib64/libc.so.6 +0x20f29)
>  #29 in _start at <null> (workdir/UnpackedTarball/firebird/gen/Debug/firebird/bin/isql +0x423219)

Change-Id: Iebff0484a792b711769f46c4823f806e9f9b2935
Reviewed-on: https://gerrit.libreoffice.org/52704
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/external/firebird/ubsan.patch b/external/firebird/ubsan.patch
index bdfbac26e2f8..5fe298539ec3 100644
--- a/external/firebird/ubsan.patch
+++ b/external/firebird/ubsan.patch
@@ -183,6 +183,15 @@
  			jumpLength = jumpNode.length + jumpNode.prefix;
  
  			// Check if this could be our split point (if we need to split)
+@@ -5391,7 +5391,7 @@
+ 	// First, store needed data for beforeInsertNode into tempData.
+ 	HalfStaticArray<UCHAR, MAX_KEY> tempBuf;
+ 	UCHAR* tempData = tempBuf.getBuffer(newLength);
+-	memcpy(tempData, beforeInsertNode.data + newPrefix - beforeInsertNode.prefix, newLength);
++	if (newLength != 0) memcpy(tempData, beforeInsertNode.data + newPrefix - beforeInsertNode.prefix, newLength);
+ 
+ 	beforeInsertNode.prefix = newPrefix;
+ 	beforeInsertNode.length = newLength;
 @@ -5611,7 +5611,7 @@
  			for (size_t i = 0; i < jumpNodes->getCount(); i++, index++)
  			{