valgrind.supp

{
   libstdc++6_Memory_leak_in_pool_constructor/https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65434
   Memcheck:Leak
   match-leak-kinds: reachable
   ...
   fun:malloc
   obj:*/libstdc++.so*
   fun:call_init.part.0
   fun:call_init
   fun:_dl_init
   obj:/lib/x86_64-linux-gnu/ld-*.so
   ...
}

{
   libstdc++ (GCC 4.9.0) implementation of std::regex has a memory leak: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58737
   Memcheck:Leak
   match-leak-kinds: all
   ...
   fun:malloc
   ...
   fun:basic_regex<char const*>
   ...
}

{
   Ignore dlopen bug http://stackoverflow.com/questions/1542457/memory-leak-reported-by-valgrind-in-dlopen
   Memcheck:Leak
   ...
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.2.5
   ...
}
{
   Ignore dlopen bug (2) http://stackoverflow.com/questions/1542457/memory-leak-reported-by-valgrind-in-dlopen
   Memcheck:Leak
   ...
   fun:_dlerror_run
   fun:dlclose
   ...
}
{
   Ignore dlopen bug - related to handling of static initialisers.
   Memcheck:Leak
   match-leak-kinds: reachable
   ...
   fun:_dl_map_object
   fun:openaux
   fun:_dl_catch_error
   fun:_dl_map_object_deps
   fun:dl_open_worker
   fun:_dl_catch_error
   fun:_dl_open
   fun:dlopen_doit
   ...
}

# The following suppressions are for memcached background threads
# which are not cleanly 'joined' on shutdown; hence they have some
# allocations which are still reachable. Given there's no easy way to
# signal to these threads that the process has terminated (and they
# arn't actual "leaks") we choose suppress them.
{
   memcached_parent_monitor_thread_name
   Memcheck:Leak
   match-leak-kinds: all
   ...
   fun:cb_create_named_thread
   fun:setup_parent_monitor
   ...
}

# The following suppresion is for V8 - it doesn't free all memory
# allocated via dlopen() when the dll is unloaded.
{
   libv8 v8::internal::Isolate::EnsureDefaultIsolate reachable
   Memcheck:Leak
   match-leak-kinds: reachable
   ...
   fun:_ZN2v88internal7Isolate20EnsureDefaultIsolateEv
   ...
   fun:_dl_init
   ...
}

# The following suppressions are for claimed 'invalid read/write'
# errors which intermittantly are reported from Valgrind 3.10.1,
# however they cannot be reproduced on demand and do not show up with
# other leak checking tools (AddressSanitizer), therefore I strongly
# believe they are false positives.
{
   mb19089 memcached Configuration::addStats invalid 1
   Memcheck:Addr1
   fun:__printf_fp
   fun:vfprintf
   fun:vsnprintf
   obj:/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21
   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_
   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE6do_putES3_RSt8ios_basecd
   fun:_ZNSo9_M_insertIdEERSoT_
   fun:operator<<
   fun:_ZNK13Configuration8addStatsEPFvPKctS1_jPKvES3_
}
{
   mb19089 memcached Configuration::addStats invalid 4
   Memcheck:Addr4
   fun:__printf_fp
   fun:vfprintf
   fun:vsnprintf
   ...
   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_
   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE6do_putES3_RSt8ios_basecd
   fun:_ZNSo9_M_insertIdEERSoT_
   fun:operator<<
   fun:_ZNK13Configuration8addStatsEPFvPKctS1_jPKvES3_
}
{
   mb19089 memcached Configuration::addStats invalid 8
   Memcheck:Addr8
   ...
   fun:__printf_fp
   fun:vfprintf
   fun:vsnprintf
   ...
   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_
   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE6do_putES3_RSt8ios_basecd
   fun:_ZNSo9_M_insertIdEERSoT_
   fun:operator<<
   fun:_ZNK13Configuration8addStatsEPFvPKctS1_jPKvES3_
}

# libevent lock leaks. Fixed in libevent 2.1: https://github.com/libevent/libevent/issues/55
{
   libevent2.0.21_global_setup_locks_leak
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:evthread_posix_lock_alloc
   ...
   fun:event_global_setup_locks_
   fun:evthread_use_pthreads
   ...
}

# Conditional jump or move depends on uninitialised value(s)
# fixed in OpenSSL 1.0.2 according to https://rt.openssl.org/Ticket/Display.html?id=2400
{
   <insert_a_suppression_name_here>
   Memcheck:Cond
   fun:ASN1_STRING_set
   fun:ASN1_mbstring_ncopy
   fun:ASN1_mbstring_copy
   fun:ASN1_STRING_to_UTF8
   ...
   fun:ASN1_item_ex_d2i
   ...
   fun:ASN1_item_ex_d2i
   ...
}

# ignore thread local leak in unit tests from the main thread
# http://review.couchbase.org/#/c/76854 - for details
# MB-23936: Use Threadlocal variables to accumulate stats
{
   ThreadLocal Main Thread dtor not called on exit in unit tests
   Memcheck:Leak
   ...
   fun:*EPStats*memAllocated*
   ...
   fun:RUN_ALL_TESTS
   fun:main
}

# singleton instance created inside v8
# MB-23763: couchstore v8 memory leak
{
   v8 singleton object lives till process exit
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:_Znam
   fun:_ZN2v84base16LazyInstanceImplIPNS_8internal12ElementsKindENS0_32StaticallyAllocatedInstanceTraitIS4_EENS2_34InitializeFastElementsKindSequenceENS0_23ThreadSafeInitOnceTraitENS0_18LeakyInstanceTraitIS4_EEE12InitInstanceEPNS6_11StorageTypeE
   ...
   fun:_ZN2v88internal17FullCodeGenerator20VisitReturnStatementEPNS0_15ReturnStatementE
   fun:_ZN2v88internal10AstVisitor15VisitStatementsEPNS0_8ZoneListIPNS0_9StatementEEE
   fun:_ZN2v88internal17FullCodeGenerator8GenerateEv
   fun:_ZN2v88internal17FullCodeGenerator8MakeCodeEPNS0_15CompilationInfoE
   fun:_ZN2v88internal12_GLOBAL__N_123GenerateUnoptimizedCodeEPNS0_15CompilationInfoE
   fun:_ZN2v88internal8Compiler21GetSharedFunctionInfoEPNS0_15FunctionLiteralENS0_6HandleINS0_6ScriptEEEPNS0_15CompilationInfoE
   fun:_ZN2v88internal17FullCodeGenerator20VisitFunctionLiteralEPNS0_15FunctionLiteralE
}

{
   v8 cond jump depending on uninitialised
   Memcheck:Cond
   fun:_ZN2v88internal9ExitFrame23GetStateForFramePointerEPhPNS0_10StackFrame5StateE
   fun:_ZN2v88internal18StackFrameIterator5ResetEPNS0_14ThreadLocalTopE
   fun:_ZN2v88internal7Isolate20UnwindAndFindHandlerEv
   fun:_ZN2v88internal37Runtime_UnwindAndFindExceptionHandlerEiPPNS0_6ObjectEPNS0_7IsolateE
   ...
}

# MB-24860 Suppress the leak of the thread-local counters
{
   ThreadLocal counter leak - MB-24860
   Memcheck:Leak
   match-leak-kinds: definite
   fun:je_malloc
   fun:cb_malloc
   fun:_Znwm
   fun:_ZN7EPStats12memAllocatedEm
   fun:_ZN14ObjectRegistry15memoryAllocatedEm
   ...
}

# Type cache of v8 compiler
{
   Ignore v8 compiler type cache one time initialization
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   fun:_ZN2v88internal19AccountingAllocator10GetSegmentEm
   fun:_ZN2v88internal4Zone9NewExpandEm
   fun:_ZN2v88internal4Zone3NewEm
   fun:_ZN2v88internal8compiler9TypeCacheC2Ev
   fun:_ZN2v84base12CallOnceImplEPlPFvPvES2_
   fun:_ZN2v88internal8compiler9TypeCache3GetEv
   ...
}
{
   MB-34743 Ignore global ICU data library init allocs
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   obj:*/libicuuc.so
   ...
   obj:*/libv8.so
   ...
   fun:initV8
   fun:mapreduce_init
   ...
}
{
   MB-34743 temporarily suppress below is investigated
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   obj:*/libv8.so
   ...
   fun:_Z9runReduceB5cxx11P15mapreduce_ctx_tRK21mapreduce_json_list_tS3_
   fun:mapreduce_reduce_all
   fun:test_timeout
   ...
}
{
   MB-34743 temporarily suppress below
   Memcheck:Leak
   match-leak-kinds: reachable
   fun:malloc
   obj:*/libv8.so
   ...
   fun:_Z6mapDocP15mapreduce_ctx_tRK16mapreduce_json_tS3_P27mapreduce_map_result_list_t
   fun:mapreduce_map
   fun:test_timeout
   ...
}