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As I'm testing with ASAN I often see this:
==9866==ERROR: AddressSanitizer: use-after-poison on address 0x7fffe69f2b38 at pc 0x7ffff47942ba bp 0x7fffe69f2af0 sp 0x7fffe69f2ae0 READ of size 8 at 0x7fffe69f2b38 thread T12 #0 0x7ffff47942b9 in unsigned long const& std::min<unsigned long>(unsigned long const&, unsigned long const&) /usr/include/c++/11/bits/stl_algobase.h:235 #1 0x7ffff63ee8e2 in std::vector<absl::lts_20240116::time_internal::cctz::TransitionType, std::allocator<absl::lts_20240116::time_internal::cctz::TransitionType> >::_S_max_size(std::allocator<absl::lts_20240116::time_internal::cctz::TransitionType> const&) /usr/include/c++/11/bits/stl_vector.h:1784 #2 0x7ffff63ecf8d in std::vector<absl::lts_20240116::time_internal::cctz::TransitionType, std::allocator<absl::lts_20240116::time_internal::cctz::TransitionType> >::max_size() const /usr/include/c++/11/bits/stl_vector.h:924 #3 0x7ffff63ee1db in std::vector<absl::lts_20240116::time_internal::cctz::TransitionType, std::allocator<absl::lts_20240116::time_internal::cctz::TransitionType> >::_M_check_len(unsigned long, char const*) const /usr/include/c++/11/bits/stl_vector.h:1758 #4 0x7ffff63ec7e5 in std::vector<absl::lts_20240116::time_internal::cctz::TransitionType, std::allocator<absl::lts_20240116::time_internal::cctz::TransitionType> >::_M_default_append(unsigned long) /usr/include/c++/11/bits/vector.tcc:634 #5 0x7ffff63eb44e in std::vector<absl::lts_20240116::time_internal::cctz::TransitionType, std::allocator<absl::lts_20240116::time_internal::cctz::TransitionType> >::resize(unsigned long) /usr/include/c++/11/bits/stl_vector.h:940 #6 0x7ffff63e7172 in absl::lts_20240116::time_internal::cctz::TimeZoneInfo::ResetToBuiltinUTC(std::chrono::duration<long, std::ratio<1l, 1l> > const&) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/absl/absl/src/absl/absl/time/internal/cctz/src/time_zone_info.cc:589 #7 0x7ffff63e881c in absl::lts_20240116::time_internal::cctz::TimeZoneInfo::UTC() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/absl/absl/src/absl/absl/time/internal/cctz/src/time_zone_info.cc:831 #8 0x7ffff63e40cc in absl::lts_20240116::time_internal::cctz::TimeZoneIf::UTC() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/absl/absl/src/absl/absl/time/internal/cctz/src/time_zone_if.cc:26 #9 0x7ffff63e0d5e in absl::lts_20240116::time_internal::cctz::time_zone::Impl::Impl() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/absl/absl/src/absl/absl/time/internal/cctz/src/time_zone_impl.cc:102 #10 0x7ffff63e0e93 in absl::lts_20240116::time_internal::cctz::time_zone::Impl::UTCImpl() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/absl/absl/src/absl/absl/time/internal/cctz/src/time_zone_impl.cc:108 #11 0x7ffff63e07f9 in absl::lts_20240116::time_internal::cctz::time_zone::Impl::UTC() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/absl/absl/src/absl/absl/time/internal/cctz/src/time_zone_impl.cc:49 #12 0x7ffff63df527 in absl::lts_20240116::time_internal::cctz::utc_time_zone() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/absl/absl/src/absl/absl/time/internal/cctz/src/time_zone_lookup.cc:213 #13 0x7ffff5984dfd in absl::lts_20240116::UTCTimeZone() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/absl/absl/src/absl/absl/time/time.h:1252 #14 0x7ffff59826ef in grpc_core::StatusSetTime(absl::lts_20240116::Status*, grpc_core::StatusTimeProperty, absl::lts_20240116::Time) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/gprpp/status_helper.cc:230 #15 0x7ffff59820ce in grpc_core::StatusCreate(absl::lts_20240116::StatusCode, std::basic_string_view<char, std::char_traits<char> >, grpc_core::DebugLocation const&, std::vector<absl::lts_20240116::Status, std::allocator<absl::lts_20240116::Status> >) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/gprpp/status_helper.cc:178 #16 0x7ffff58e3c23 in grpc_chttp2_rst_stream_parser_parse(void*, grpc_chttp2_transport*, grpc_chttp2_stream*, grpc_slice const&, int) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/ext/transport/chttp2/transport/frame_rst_stream.cc:123 #17 0x7ffff591163e in parse_frame_slice /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/ext/transport/chttp2/transport/parsing.cc:903 #18 0x7ffff590e348 in grpc_chttp2_perform_read(grpc_chttp2_transport*, grpc_slice const&, unsigned long&) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/ext/transport/chttp2/transport/parsing.cc:372 #19 0x7ffff58c077f in read_action_parse_loop_locked /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/ext/transport/chttp2/transport/chttp2_transport.cc:2698 #20 0x7ffff58c14c5 in read_action_locked /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/ext/transport/chttp2/transport/chttp2_transport.cc:2796 #21 0x7ffff58c667f in operator() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/ext/transport/chttp2/transport/chttp2_transport.cc:273 #22 0x7ffff58c6706 in _FUN /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/ext/transport/chttp2/transport/chttp2_transport.cc:273 #23 0x7ffff5996d57 in grpc_combiner_continue_exec_ctx() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/iomgr/combiner.cc:231 #24 0x7ffff599a59a in grpc_core::ExecCtx::Flush() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/iomgr/exec_ctx.cc:87 #25 0x7ffff57a3706 in grpc_core::ExecCtx::~ExecCtx() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/iomgr/exec_ctx.h:130 #26 0x7ffff5e69ae5 in FinishPendingRead /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/iomgr/event_engine_shims/endpoint.cc:141 #27 0x7ffff5e69652 in operator() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/iomgr/event_engine_shims/endpoint.cc:112 #28 0x7ffff5e6c19a in __invoke_impl<void, grpc_event_engine::experimental::(anonymous namespace)::EventEngineEndpointWrapper::Read(grpc_closure*, grpc_slice_buffer*, const grpc_event_engine::experimental::EventEngine::Endpoint::ReadArgs*)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /usr/include/c++/11/bits/invoke.h:61 #29 0x7ffff5e6c0bb in __invoke<grpc_event_engine::experimental::(anonymous namespace)::EventEngineEndpointWrapper::Read(grpc_closure*, grpc_slice_buffer*, const grpc_event_engine::experimental::EventEngine::Endpoint::ReadArgs*)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /usr/include/c++/11/bits/invoke.h:96 #30 0x7ffff5e6bfc9 in invoke<grpc_event_engine::experimental::(anonymous namespace)::EventEngineEndpointWrapper::Read(grpc_closure*, grpc_slice_buffer*, const grpc_event_engine::experimental::EventEngine::Endpoint::ReadArgs*)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /usr/include/c++/11/functional:97 #31 0x7ffff5e6bea4 in InvokeR<void, grpc_event_engine::experimental::(anonymous namespace)::EventEngineEndpointWrapper::Read(grpc_closure*, grpc_slice_buffer*, const grpc_event_engine::experimental::EventEngine::Endpoint::ReadArgs*)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/install/include/absl/functional/internal/any_invocable.h:132 #32 0x7ffff5e6bd38 in LocalInvoker<false, void, grpc_event_engine::experimental::(anonymous namespace)::EventEngineEndpointWrapper::Read(grpc_closure*, grpc_slice_buffer*, const grpc_event_engine::experimental::EventEngine::Endpoint::ReadArgs*)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/install/include/absl/functional/internal/any_invocable.h:310 #33 0x7ffff5e27ed2 in absl::lts_20240116::internal_any_invocable::Impl<void (absl::lts_20240116::Status)>::operator()(absl::lts_20240116::Status) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/install/include/absl/functional/internal/any_invocable.h:868 #34 0x7ffff5f62970 in grpc_event_engine::experimental::PosixEndpointImpl::HandleRead(absl::lts_20240116::Status) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/posix_engine/posix_endpoint.cc:588 #35 0x7ffff5f6577f in operator() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/posix_engine/posix_endpoint.cc:1311 #36 0x7ffff5f68702 in __invoke_impl<void, grpc_event_engine::experimental::PosixEndpointImpl::PosixEndpointImpl(grpc_event_engine::experimental::EventHandle*, grpc_event_engine::experimental::PosixEngineClosure*, std::shared_ptr<grpc_event_engine::experimental::EventEngine>, grpc_event_engine::experimental::MemoryAllocator&&, const grpc_event_engine::experimental::PosixTcpOptions&)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /usr/include/c++/11/bits/invoke.h:61 #37 0x7ffff5f68597 in __invoke<grpc_event_engine::experimental::PosixEndpointImpl::PosixEndpointImpl(grpc_event_engine::experimental::EventHandle*, grpc_event_engine::experimental::PosixEngineClosure*, std::shared_ptr<grpc_event_engine::experimental::EventEngine>, grpc_event_engine::experimental::MemoryAllocator&&, const grpc_event_engine::experimental::PosixTcpOptions&)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /usr/include/c++/11/bits/invoke.h:96 #38 0x7ffff5f68419 in invoke<grpc_event_engine::experimental::PosixEndpointImpl::PosixEndpointImpl(grpc_event_engine::experimental::EventHandle*, grpc_event_engine::experimental::PosixEngineClosure*, std::shared_ptr<grpc_event_engine::experimental::EventEngine>, grpc_event_engine::experimental::MemoryAllocator&&, const grpc_event_engine::experimental::PosixTcpOptions&)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /usr/include/c++/11/functional:97 #39 0x7ffff5f6823b in InvokeR<void, grpc_event_engine::experimental::PosixEndpointImpl::PosixEndpointImpl(grpc_event_engine::experimental::EventHandle*, grpc_event_engine::experimental::PosixEngineClosure*, std::shared_ptr<grpc_event_engine::experimental::EventEngine>, grpc_event_engine::experimental::MemoryAllocator&&, const grpc_event_engine::experimental::PosixTcpOptions&)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/install/include/absl/functional/internal/any_invocable.h:132 #40 0x7ffff5f67e78 in LocalInvoker<false, void, grpc_event_engine::experimental::PosixEndpointImpl::PosixEndpointImpl(grpc_event_engine::experimental::EventHandle*, grpc_event_engine::experimental::PosixEngineClosure*, std::shared_ptr<grpc_event_engine::experimental::EventEngine>, grpc_event_engine::experimental::MemoryAllocator&&, const grpc_event_engine::experimental::PosixTcpOptions&)::<lambda(absl::lts_20240116::Status)>&, absl::lts_20240116::Status> /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/install/include/absl/functional/internal/any_invocable.h:310 #41 0x7ffff5e27ed2 in absl::lts_20240116::internal_any_invocable::Impl<void (absl::lts_20240116::Status)>::operator()(absl::lts_20240116::Status) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/install/include/absl/functional/internal/any_invocable.h:868 #42 0x7ffff5e25c48 in grpc_event_engine::experimental::PosixEngineClosure::Run() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/posix_engine/posix_engine_closure.h:53 #43 0x7ffff5e4f8ef in grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::Step() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:428 #44 0x7ffff5e4f5a2 in grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::ThreadBody() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:394 #45 0x7ffff5e4e70e in operator() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:207 #46 0x7ffff5e4e754 in _FUN /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:209 #47 0x7ffff607af57 in operator() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/gprpp/posix/thd.cc:145 #48 0x7ffff607afa4 in _FUN /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/gprpp/posix/thd.cc:150 #49 0x7ffff0179ac2 in start_thread nptl/pthread_create.c:442 #50 0x7ffff020b84f (/lib/x86_64-linux-gnu/libc.so.6+0x12684f) Address 0x7fffe69f2b38 is located in stack of thread T12 SUMMARY: AddressSanitizer: use-after-poison /usr/include/c++/11/bits/stl_algobase.h:235 in unsigned long const& std::min<unsigned long>(unsigned long const&, unsigned long const&) Shadow bytes around the buggy address: 0x10007cd36510: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x10007cd36520: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x10007cd36530: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x10007cd36540: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x10007cd36550: 00 00 00 00 00 00 00 00 f7 f7 00 00 00 00 00 00 =>0x10007cd36560: 00 00 00 00 00 00 f7[f7]00 00 00 00 00 00 00 00 0x10007cd36570: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x10007cd36580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x10007cd36590: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x10007cd365a0: f7 f7 00 00 f7 f7 00 00 00 00 00 00 00 00 00 00 0x10007cd365b0: 00 00 00 00 f7 f7 00 00 f7 f7 00 00 00 00 00 00 Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb Shadow gap: cc Thread T12 created by T0 here: #0 0x7ffff75f7685 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:216 #1 0x7ffff607b285 in ThreadInternalsPosix /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/gprpp/posix/thd.cc:113 #2 0x7ffff607b618 in grpc_core::Thread::Thread(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/gprpp/posix/thd.cc:199 #3 0x7ffff5e4e87c in grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:203 #4 0x7ffff5e4e579 in grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::Start() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:181 #5 0x7ffff5e4ded4 in grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPool(unsigned long) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:128 #6 0x7ffff5e4dbfc in void __gnu_cxx::new_allocator<grpc_event_engine::experimental::WorkStealingThreadPool>::construct<grpc_event_engine::experimental::WorkStealingThreadPool, unsigned long&>(grpc_event_engine::experimental::WorkStealingThreadPool*, unsigned long&) /usr/include/c++/11/ext/new_allocator.h:162 #7 0x7ffff5e4da8d in void std::allocator_traits<std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool> >::construct<grpc_event_engine::experimental::WorkStealingThreadPool, unsigned long&>(std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool>&, grpc_event_engine::experimental::WorkStealingThreadPool*, unsigned long&) /usr/include/c++/11/bits/alloc_traits.h:516 #8 0x7ffff5e4d8bb in std::_Sp_counted_ptr_inplace<grpc_event_engine::experimental::WorkStealingThreadPool, std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool>, (__gnu_cxx::_Lock_policy)2>::_Sp_counted_ptr_inplace<unsigned long&>(std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool>, unsigned long&) /usr/include/c++/11/bits/shared_ptr_base.h:519 #9 0x7ffff5e4d5e3 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<grpc_event_engine::experimental::WorkStealingThreadPool, std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool>, unsigned long&>(grpc_event_engine::experimental::WorkStealingThreadPool*&, std::_Sp_alloc_shared_tag<std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool> >, unsigned long&) /usr/include/c++/11/bits/shared_ptr_base.h:650 #10 0x7ffff5e4d515 in std::__shared_ptr<grpc_event_engine::experimental::WorkStealingThreadPool, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool>, unsigned long&>(std::_Sp_alloc_shared_tag<std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool> >, unsigned long&) /usr/include/c++/11/bits/shared_ptr_base.h:1342 #11 0x7ffff5e4d4c0 in std::shared_ptr<grpc_event_engine::experimental::WorkStealingThreadPool>::shared_ptr<std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool>, unsigned long&>(std::_Sp_alloc_shared_tag<std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool> >, unsigned long&) /usr/include/c++/11/bits/shared_ptr.h:409 #12 0x7ffff5e4d3b0 in std::shared_ptr<grpc_event_engine::experimental::WorkStealingThreadPool> std::allocate_shared<grpc_event_engine::experimental::WorkStealingThreadPool, std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool>, unsigned long&>(std::allocator<grpc_event_engine::experimental::WorkStealingThreadPool> const&, unsigned long&) /usr/include/c++/11/bits/shared_ptr.h:863 #13 0x7ffff5e4d289 in std::shared_ptr<grpc_event_engine::experimental::WorkStealingThreadPool> std::make_shared<grpc_event_engine::experimental::WorkStealingThreadPool, unsigned long&>(unsigned long&) /usr/include/c++/11/bits/shared_ptr.h:879 #14 0x7ffff5e4d0a7 in grpc_event_engine::experimental::MakeThreadPool(unsigned long) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/thread_pool/thread_pool_factory.cc:40 #15 0x7ffff5e20c3a in grpc_event_engine::experimental::PosixEventEngine::PosixEventEngine() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/posix_engine/posix_engine.cc:388 #16 0x7ffff5e1dd70 in std::_MakeUniq<grpc_event_engine::experimental::PosixEventEngine>::__single_object std::make_unique<grpc_event_engine::experimental::PosixEventEngine>() /usr/include/c++/11/bits/unique_ptr.h:962 #17 0x7ffff5e1dc76 in grpc_event_engine::experimental::DefaultEventEngineFactory() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/default_event_engine_factory.cc:54 #18 0x7ffff5e1bbb5 in grpc_event_engine::experimental::CreateEventEngineInner() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/default_event_engine.cc:68 #19 0x7ffff5e1bbfa in grpc_event_engine::experimental::CreateEventEngine() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/default_event_engine.cc:75 #20 0x7ffff5e1bd6d in grpc_event_engine::experimental::GetDefaultEventEngine(grpc_core::SourceLocation) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/default_event_engine.cc:89 #21 0x7ffff5e1bf51 in EnsureEventEngineInChannelArgs /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/event_engine/default_event_engine.cc:100 #22 0x7ffff5e1d458 in grpc_core::ChannelArgs std::__invoke_impl<grpc_core::ChannelArgs, grpc_core::ChannelArgs (*&)(grpc_core::ChannelArgs), grpc_core::ChannelArgs>(std::__invoke_other, grpc_core::ChannelArgs (*&)(grpc_core::ChannelArgs), grpc_core::ChannelArgs&&) /usr/include/c++/11/bits/invoke.h:61 #23 0x7ffff5e1d0e4 in std::enable_if<is_invocable_r_v<grpc_core::ChannelArgs, grpc_core::ChannelArgs (*&)(grpc_core::ChannelArgs), grpc_core::ChannelArgs>, grpc_core::ChannelArgs>::type std::__invoke_r<grpc_core::ChannelArgs, grpc_core::ChannelArgs (*&)(grpc_core::ChannelArgs), grpc_core::ChannelArgs>(grpc_core::ChannelArgs (*&)(grpc_core::ChannelArgs), grpc_core::ChannelArgs&&) /usr/include/c++/11/bits/invoke.h:116 #24 0x7ffff5e1cbd5 in std::_Function_handler<grpc_core::ChannelArgs (grpc_core::ChannelArgs), grpc_core::ChannelArgs (*)(grpc_core::ChannelArgs)>::_M_invoke(std::_Any_data const&, grpc_core::ChannelArgs&&) /usr/include/c++/11/bits/std_function.h:291 #25 0x7ffff5950e19 in std::function<grpc_core::ChannelArgs (grpc_core::ChannelArgs)>::operator()(grpc_core::ChannelArgs) const (/home/julianoes/src/upstream/MAVSDK/build-asan/src/mavsdk_server/src/libmavsdk_server.so.2+0x3cb2e19) #26 0x7ffff5950913 in grpc_core::ChannelArgsPreconditioning::PreconditionChannelArgs(grpc_channel_args const*) const /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/channel/channel_args_preconditioning.cc:37 #27 0x7ffff5a7dcff in grpc_server_create /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/core/lib/surface/server.cc:1924 #28 0x7ffff579e1eb in grpc::Server::Server(grpc::ChannelArguments*, std::shared_ptr<std::vector<std::unique_ptr<grpc::ServerCompletionQueue, std::default_delete<grpc::ServerCompletionQueue> >, std::allocator<std::unique_ptr<grpc::ServerCompletionQueue, std::default_delete<grpc::ServerCompletionQueue> > > > >, int, int, int, std::vector<std::shared_ptr<grpc::internal::ExternalConnectionAcceptorImpl>, std::allocator<std::shared_ptr<grpc::internal::ExternalConnectionAcceptorImpl> > >, grpc_server_config_fetcher*, grpc_resource_quota*, std::vector<std::unique_ptr<grpc::experimental::ServerInterceptorFactoryInterface, std::default_delete<grpc::experimental::ServerInterceptorFactoryInterface> >, std::allocator<std::unique_ptr<grpc::experimental::ServerInterceptorFactoryInterface, std::default_delete<grpc::experimental::ServerInterceptorFactoryInterface> > > >, grpc::experimental::ServerMetricRecorder*) /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/cpp/server/server_cc.cc:964 [New Thread 0x7fffb4aff640 (LWP 1318304)] #29 0x7ffff578ffe2 in grpc::ServerBuilder::BuildAndStart() /home/julianoes/src/upstream/MAVSDK/build-asan/third_party/grpc/grpc/src/grpc/src/cpp/server/server_builder.cc:368 #30 0x7ffff4985002 in mavsdk::mavsdk_server::GrpcServer::run() /home/julianoes/src/upstream/MAVSDK/src/mavsdk_server/src/grpc_server.cpp:166 #31 0x7ffff47d207d in MavsdkServer::Impl::startGrpcServer(int) (/home/julianoes/src/upstream/MAVSDK/build-asan/src/mavsdk_server/src/libmavsdk_server.so.2+0x2b3407d) [05:18:25|Warn ] User callback queue too slow. See: https://mavsdk.mavlink.io/main/en/cpp/troubleshooting.html#user_callbacks (mavsdk_impl.cpp:794) #32 0x7ffff47919e2 in MavsdkServer::startGrpcServer(int) /home/julianoes/src/upstream/MAVSDK/src/mavsdk_server/src/mavsdk_server.cpp:61 #33 0x7ffff4790fe9 in mavsdk_server_run /home/julianoes/src/upstream/MAVSDK/src/mavsdk_server/src/mavsdk_server_api.cpp:18 #34 0x7ffff47910cb in mavsdk_server_run_with_mavlink_ids /home/julianoes/src/upstream/MAVSDK/src/mavsdk_server/src/mavsdk_server_api.cpp:35 #35 0x55555555819d in main /home/julianoes/src/upstream/MAVSDK/src/mavsdk_server/src/mavsdk_server_bin.cpp:91 #36 0x7ffff010ed8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 ==9866==ABORTING
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As I'm testing with ASAN I often see this:
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