Races in UDF library lookup
----------------------------
Key: CORE-3443
URL: http://tracker.firebirdsql.org/browse/CORE-3443
Project: Firebird Core
Issue Type: Bug
Affects Versions: 2.5.0, 3.0 Initial
Reporter: Alexander Peshkov
Was reported privately by Dmitry Kovalenko.
When closing database on superclassic server in rare cases AV happens with
following stack trace:
ntdll.dll!RtlEnterCriticalSection() + 0x6 байт
fb_inet_server.exe!Firebird::MemoryPool::deallocate(void *
block=0x00000000047b7128) Строка 1942 C++
fb_inet_server.exe!Jrd::Module::InternalModule::~InternalModule() Строка 77
+ 0x1e байт C++
fb_inet_server.exe!Jrd::Module::~Module() Строка 332 + 0x11 байт C++
fb_inet_server.exe!Jrd::Module::`scalar deleting destructor'() + 0x14 байт
C++
fb_inet_server.exe!Jrd::Database::~Database() Строка 98 + 0x243 байт C++
fb_inet_server.exe!shutdown_database(Jrd::Database * dbb=0x0000000004876aa8,
const bool release_pools=true) Строка 5409 + 0x35 байт C++
fb_inet_server.exe!purge_attachment(Jrd::thread_db *
tdbb=0x0000000002f6f940, Jrd::Attachment * attachment=0x00000000047b71f8, const
bool force_flag=false) Строка 5882 C++
fb_inet_server.exe!jrd8_detach_database(__int64 *
user_status=0x0000000002f6fb40, Jrd::Attachment * * handle=0x00000000005be2d8)
Строка 2306 + 0x13 байт C++
fb_inet_server.exe!detach_or_drop_database(__int64 *
user_status=0x000000001280ba48, unsigned int * handle=0x0000000005244bb0, const
int proc=410085592, const __int64 specCode=1) Строка 2270 + 0x19 байт C++
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