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anniefrchz merged 6 commits intoanniefrchz:masterfrom
grpc:master
May 5, 2025
Merged

sync#12
anniefrchz merged 6 commits intoanniefrchz:masterfrom
grpc:master

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@anniefrchz anniefrchz commented May 5, 2025

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ac-patel and others added 6 commits May 4, 2025 22:11
@ac-patel @copybara-github
[Ph2][Transport] Keep alive Support (#39232)
6683fb5 
1. This PR adds keep alive support for PH2.
2. The transport usage will be committed in a separate PR.

Closes #39232

COPYBARA_INTEGRATE_REVIEW=#39232 from ac-patel:keepalive d2ca51e
PiperOrigin-RevId: 754779883
@ac-patel @copybara-github
[PH2][CHTTP2][Transport] Add an experiment to enforce keepalive timeo…
b086f68 
…ut (#39239)

Currently keepalive_timeout is never triggered and we solely rely on the ping timeout. This PR aims to fix this and should start scheduling keepalive timeout.

Closes #39239

COPYBARA_INTEGRATE_REVIEW=#39239 from ac-patel:keepalive_ping_timeout 6bf5a88
PiperOrigin-RevId: 754787934
@ctiller @copybara-github
Remove thread ids from traces.
af8e9ee 
There's some platforms where this was causing crashes.

PiperOrigin-RevId: 754980515
@ac-patel @copybara-github
Automated rollback of commit b086f68.
4f9b6f1 
PiperOrigin-RevId: 754985523
@anniefrchz @copybara-github
Add transport protocol preferences to ALTS handshake (#39204)
8c2dbd7 
Allow ALTS Hanshake requests to configure the preferred transport
protocol during the ALTS Handshake. This allows ALTN.

Closes #39204

PiperOrigin-RevId: 754997826
@ctiller @copybara-github
[resource-quota] Fix potential race (#39467)
447644f 
Looks like my syntax trickery was not working and we got a race (internal bug b/415504917)

Try to be more explicit to fix it.

Closes #39467

COPYBARA_INTEGRATE_REVIEW=#39467 from ctiller:race-fix 22bc0bf
PiperOrigin-RevId: 754998845
@anniefrchz anniefrchz merged commit cb46617 into anniefrchz:master May 5, 2025
anniefrchz pushed a commit that referenced this pull request Jun 25, 2025
@markdroth @copybara-github
[xDS] fix TSAN failure in callback-based LRS impl (grpc#39806)
ff2b097 
This fixes a bug introduced in grpc#39736 whereby the LRS server may call `StartWrite()` after cancellation has already called `Finish()`, thus leading to a TSAN failure.

This is arguably a deficiency in the callback API.  The write should definitely fail, but it shouldn't cause a TSAN problem.  But we can consider that as part of a separate effort.

Example stack trace of the TSAN failure:

```
WARNING: ThreadSanitizer: data race (pid=17)
  Read of size 1 at 0x72680002dd80 by thread T5:
    #0 grpc::internal::CallbackBidiHandler::ServerCallbackReaderWriterImpl::Finish(grpc::Status) /proc/self/cwd/include/grpcpp/impl/server_callback_handlers.h:742:18 (xds_cluster_end2end_test@poller=epoll1+0x32896b2)
    #1 grpc::ServerBidiReactor::Finish(grpc::Status) /proc/self/cwd/include/grpcpp/support/server_callback.h:414:13 (xds_cluster_end2end_test@poller=epoll1+0x328dbb4)
    #2 grpc::testing::LrsServiceImpl::Reactor::OnCancel() /proc/self/cwd/test/cpp/end2end/xds/xds_server.cc:494:3 (xds_cluster_end2end_test@poller=epoll1+0x32c6ec1)
    #3 grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0::operator()() const /proc/self/cwd/src/cpp/server/server_callback.cc:38:14 (xds_cluster_end2end_test@poller=epoll1+0x3b4755b)
    #4 void std::__invoke_impl(std::__invoke_other, grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:60:14 (xds_cluster_end2end_test@poller=epoll1+0x3b474d5)
    #5 std::__invoke_result::type std::__invoke(grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:95:14 (xds_cluster_end2end_test@poller=epoll1+0x3b47485)
    #6 std::invoke_result::type std::invoke(grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/functional:81:14 (xds_cluster_end2end_test@poller=epoll1+0x3b47435)
    #7 void absl::lts_20250127::internal_any_invocable::InvokeR(grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0&) /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:132:3 (xds_cluster_end2end_test@poller=epoll1+0x3b473d5)
    #8 void absl::lts_20250127::internal_any_invocable::LocalInvoker(absl::lts_20250127::internal_any_invocable::TypeErasedState*) /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:310:10 (xds_cluster_end2end_test@poller=epoll1+0x3b472f2)
    #9 absl::lts_20250127::internal_any_invocable::Impl::operator()() /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:868:1 (xds_cluster_end2end_test@poller=epoll1+0x4aa14ef)
    #10 grpc_event_engine::experimental::SelfDeletingClosure::Run() /proc/self/cwd/./src/core/lib/event_engine/common_closures.h:54:5 (xds_cluster_end2end_test@poller=epoll1+0x56a78ad)
    #11 grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::Step() /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:552:14 (xds_cluster_end2end_test@poller=epoll1+0x56a4663)
    #12 grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::ThreadBody() /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:515:10 (xds_cluster_end2end_test@poller=epoll1+0x56a3d47)
    #13 grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread()::$_0::operator()(void*) const /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:277:17 (xds_cluster_end2end_test@poller=epoll1+0x56a5049)
    #14 grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread()::$_0::__invoke(void*) /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:275:7 (xds_cluster_end2end_test@poller=epoll1+0x56a4fe9)
    #15 grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&)::'lambda'(void*)::operator()(void*) const /proc/self/cwd/src/core/util/posix/thd.cc:145:11 (xds_cluster_end2end_test@poller=epoll1+0x58479f0)
    #16 grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&)::'lambda'(void*)::__invoke(void*) /proc/self/cwd/src/core/util/posix/thd.cc:115:9 (xds_cluster_end2end_test@poller=epoll1+0x5847819)

  Previous write of size 1 at 0x72680002dd80 by thread T4:
    #0 grpc::internal::CallbackBidiHandler::ServerCallbackReaderWriterImpl::Write(envoy::service::load_stats::v3::LoadStatsResponse const*, grpc::WriteOptions) /proc/self/cwd/include/grpcpp/impl/server_callback_handlers.h:790:38 (xds_cluster_end2end_test@poller=epoll1+0x3289e85)
    #1 grpc::ServerBidiReactor::StartWrite(envoy::service::load_stats::v3::LoadStatsResponse const*, grpc::WriteOptions) /proc/self/cwd/include/grpcpp/support/server_callback.h:350:13 (xds_cluster_end2end_test@poller=epoll1+0x32ef139)
    #2 grpc::ServerBidiReactor::StartWrite(envoy::service::load_stats::v3::LoadStatsResponse const*) /proc/self/cwd/include/grpcpp/support/server_callback.h:328:5 (xds_cluster_end2end_test@poller=epoll1+0x32cb6df)
    #3 grpc::testing::LrsServiceImpl::Reactor::OnReadDone(bool) /proc/self/cwd/test/cpp/end2end/xds/xds_server.cc:461:5 (xds_cluster_end2end_test@poller=epoll1+0x32c6535)
    #4 grpc::internal::CallbackBidiHandler::ServerCallbackReaderWriterImpl::SetupReactor(grpc::ServerBidiReactor*)::'lambda0'(bool)::operator()(bool) const /proc/self/cwd/include/grpcpp/impl/server_callback_handlers.h:839:22 (xds_cluster_end2end_test@poller=epoll1+0x328f196)
    #5 std::_Function_handler::ServerCallbackReaderWriterImpl::SetupReactor(grpc::ServerBidiReactor*)::'lambda0'(bool)>::_M_invoke(std::_Any_data const&, bool&&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/std_function.h:300:2 (xds_cluster_end2end_test@poller=epoll1+0x328ef1a)
    #6 std::function::operator()(bool) const /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/std_function.h:688:14 (xds_cluster_end2end_test@poller=epoll1+0x3279bb8)
    #7 grpc::internal::CallbackWithSuccessTag::Run(bool)::'lambda'()::operator()() const /proc/self/cwd/include/grpcpp/support/callback_common.h:230:11 (xds_cluster_end2end_test@poller=epoll1+0x3279ae5)
    #8 void std::__invoke_impl(std::__invoke_other, grpc::internal::CallbackWithSuccessTag::Run(bool)::'lambda'() const&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:60:14 (xds_cluster_end2end_test@poller=epoll1+0x3279a65)
    #9 std::__invoke_result::type std::__invoke(grpc::internal::CallbackWithSuccessTag::Run(bool)::'lambda'() const&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:95:14 (xds_cluster_end2end_test@poller=epoll1+0x3279a15)
    #10 std::invoke_result::type std::invoke(grpc::internal::CallbackWithSuccessTag::Run(bool)::'lambda'() const&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/functional:81:14 (xds_cluster_end2end_test@poller=epoll1+0x32799c5)
    #11 void absl::lts_20250127::functional_internal::InvokeObject(absl::lts_20250127::functional_internal::VoidPtr) /proc/self/cwd/external/com_google_absl/absl/functional/internal/function_ref.h:78:7 (xds_cluster_end2end_test@poller=epoll1+0x327996d)
    #12 absl::lts_20250127::FunctionRef::operator()() const /proc/self/cwd/external/com_google_absl/absl/functional/function_ref.h:132:12 (xds_cluster_end2end_test@poller=epoll1+0x3bd0221)
    #13 void grpc::GlobalCallbackHook::CatchingCallback&>(absl::lts_20250127::FunctionRef&) /proc/self/cwd/include/grpcpp/support/global_callback_hook.h:41:5 (xds_cluster_end2end_test@poller=epoll1+0x3bd01a1)
    #14 grpc::DefaultGlobalCallbackHook::RunCallback(grpc_call*, absl::lts_20250127::FunctionRef) /proc/self/cwd/include/grpcpp/support/global_callback_hook.h:50:5 (xds_cluster_end2end_test@poller=epoll1+0x3bd011d)
    #15 grpc::internal::CallbackWithSuccessTag::Run(bool) /proc/self/cwd/include/grpcpp/support/callback_common.h:227:32 (xds_cluster_end2end_test@poller=epoll1+0x3279715)
    #16 grpc::internal::CallbackWithSuccessTag::StaticRun(grpc_completion_queue_functor*, int) /proc/self/cwd/include/grpcpp/support/callback_common.h:212:47 (xds_cluster_end2end_test@poller=epoll1+0x3279329)
    #17 cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0::operator()() const /proc/self/cwd/src/core/lib/surface/completion_queue.cc:913:9 (xds_cluster_end2end_test@poller=epoll1+0x545e2e3)
    #18 void std::__invoke_impl(std::__invoke_other, cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:60:14 (xds_cluster_end2end_test@poller=epoll1+0x545e205)
    #19 std::__invoke_result::type std::__invoke(cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:95:14 (xds_cluster_end2end_test@poller=epoll1+0x545e1b5)
    #20 std::invoke_result::type std::invoke(cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/functional:81:14 (xds_cluster_end2end_test@poller=epoll1+0x545e165)
    #21 void absl::lts_20250127::internal_any_invocable::InvokeR(cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0&) /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:132:3 (xds_cluster_end2end_test@poller=epoll1+0x545e115)
    #22 void absl::lts_20250127::internal_any_invocable::RemoteInvoker(absl::lts_20250127::internal_any_invocable::TypeErasedState*) /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:368:10 (xds_cluster_end2end_test@poller=epoll1+0x545df6d)
    #23 absl::lts_20250127::internal_any_invocable::Impl::operator()() /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:868:1 (xds_cluster_end2end_test@poller=epoll1+0x4aa14ef)
    #24 grpc_event_engine::experimental::SelfDeletingClosure::Run() /proc/self/cwd/./src/core/lib/event_engine/common_closures.h:54:5 (xds_cluster_end2end_test@poller=epoll1+0x56a78ad)
    #25 grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::Step() /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:552:14 (xds_cluster_end2end_test@poller=epoll1+0x56a4663)
    #26 grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::ThreadBody() /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:515:10 (xds_cluster_end2end_test@poller=epoll1+0x56a3d47)
    #27 grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread()::$_0::operator()(void*) const /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:277:17 (xds_cluster_end2end_test@poller=epoll1+0x56a5049)
    #28 grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread()::$_0::__invoke(void*) /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:275:7 (xds_cluster_end2end_test@poller=epoll1+0x56a4fe9)
    #29 grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&)::'lambda'(void*)::operator()(void*) const /proc/self/cwd/src/core/util/posix/thd.cc:145:11 (xds_cluster_end2end_test@poller=epoll1+0x58479f0)
    #30 grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&)::'lambda'(void*)::__invoke(void*) /proc/self/cwd/src/core/util/posix/thd.cc:115:9 (xds_cluster_end2end_test@poller=epoll1+0x5847819)
```

Closes grpc#39806

COPYBARA_INTEGRATE_REVIEW=grpc#39806 from markdroth:lrs_server_callback_fix e10ed85
PiperOrigin-RevId: 769289887
anniefrchz pushed a commit that referenced this pull request Jun 25, 2025
@markdroth @anniefrchz
[xDS] fix TSAN failure in callback-based LRS impl (grpc#39806)
2aed60f 
This fixes a bug introduced in grpc#39736 whereby the LRS server may call `StartWrite()` after cancellation has already called `Finish()`, thus leading to a TSAN failure.

This is arguably a deficiency in the callback API.  The write should definitely fail, but it shouldn't cause a TSAN problem.  But we can consider that as part of a separate effort.

Example stack trace of the TSAN failure:

```
WARNING: ThreadSanitizer: data race (pid=17)
  Read of size 1 at 0x72680002dd80 by thread T5:
    #0 grpc::internal::CallbackBidiHandler::ServerCallbackReaderWriterImpl::Finish(grpc::Status) /proc/self/cwd/include/grpcpp/impl/server_callback_handlers.h:742:18 (xds_cluster_end2end_test@poller=epoll1+0x32896b2)
    #1 grpc::ServerBidiReactor::Finish(grpc::Status) /proc/self/cwd/include/grpcpp/support/server_callback.h:414:13 (xds_cluster_end2end_test@poller=epoll1+0x328dbb4)
    #2 grpc::testing::LrsServiceImpl::Reactor::OnCancel() /proc/self/cwd/test/cpp/end2end/xds/xds_server.cc:494:3 (xds_cluster_end2end_test@poller=epoll1+0x32c6ec1)
    #3 grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0::operator()() const /proc/self/cwd/src/cpp/server/server_callback.cc:38:14 (xds_cluster_end2end_test@poller=epoll1+0x3b4755b)
    #4 void std::__invoke_impl(std::__invoke_other, grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:60:14 (xds_cluster_end2end_test@poller=epoll1+0x3b474d5)
    #5 std::__invoke_result::type std::__invoke(grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:95:14 (xds_cluster_end2end_test@poller=epoll1+0x3b47485)
    #6 std::invoke_result::type std::invoke(grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/functional:81:14 (xds_cluster_end2end_test@poller=epoll1+0x3b47435)
    #7 void absl::lts_20250127::internal_any_invocable::InvokeR(grpc::internal::ServerCallbackCall::CallOnCancel(grpc::internal::ServerReactor*)::$_0&) /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:132:3 (xds_cluster_end2end_test@poller=epoll1+0x3b473d5)
    #8 void absl::lts_20250127::internal_any_invocable::LocalInvoker(absl::lts_20250127::internal_any_invocable::TypeErasedState*) /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:310:10 (xds_cluster_end2end_test@poller=epoll1+0x3b472f2)
    #9 absl::lts_20250127::internal_any_invocable::Impl::operator()() /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:868:1 (xds_cluster_end2end_test@poller=epoll1+0x4aa14ef)
    #10 grpc_event_engine::experimental::SelfDeletingClosure::Run() /proc/self/cwd/./src/core/lib/event_engine/common_closures.h:54:5 (xds_cluster_end2end_test@poller=epoll1+0x56a78ad)
    #11 grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::Step() /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:552:14 (xds_cluster_end2end_test@poller=epoll1+0x56a4663)
    #12 grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::ThreadBody() /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:515:10 (xds_cluster_end2end_test@poller=epoll1+0x56a3d47)
    #13 grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread()::$_0::operator()(void*) const /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:277:17 (xds_cluster_end2end_test@poller=epoll1+0x56a5049)
    #14 grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread()::$_0::__invoke(void*) /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:275:7 (xds_cluster_end2end_test@poller=epoll1+0x56a4fe9)
    #15 grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&)::'lambda'(void*)::operator()(void*) const /proc/self/cwd/src/core/util/posix/thd.cc:145:11 (xds_cluster_end2end_test@poller=epoll1+0x58479f0)
    #16 grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&)::'lambda'(void*)::__invoke(void*) /proc/self/cwd/src/core/util/posix/thd.cc:115:9 (xds_cluster_end2end_test@poller=epoll1+0x5847819)

  Previous write of size 1 at 0x72680002dd80 by thread T4:
    #0 grpc::internal::CallbackBidiHandler::ServerCallbackReaderWriterImpl::Write(envoy::service::load_stats::v3::LoadStatsResponse const*, grpc::WriteOptions) /proc/self/cwd/include/grpcpp/impl/server_callback_handlers.h:790:38 (xds_cluster_end2end_test@poller=epoll1+0x3289e85)
    #1 grpc::ServerBidiReactor::StartWrite(envoy::service::load_stats::v3::LoadStatsResponse const*, grpc::WriteOptions) /proc/self/cwd/include/grpcpp/support/server_callback.h:350:13 (xds_cluster_end2end_test@poller=epoll1+0x32ef139)
    #2 grpc::ServerBidiReactor::StartWrite(envoy::service::load_stats::v3::LoadStatsResponse const*) /proc/self/cwd/include/grpcpp/support/server_callback.h:328:5 (xds_cluster_end2end_test@poller=epoll1+0x32cb6df)
    #3 grpc::testing::LrsServiceImpl::Reactor::OnReadDone(bool) /proc/self/cwd/test/cpp/end2end/xds/xds_server.cc:461:5 (xds_cluster_end2end_test@poller=epoll1+0x32c6535)
    #4 grpc::internal::CallbackBidiHandler::ServerCallbackReaderWriterImpl::SetupReactor(grpc::ServerBidiReactor*)::'lambda0'(bool)::operator()(bool) const /proc/self/cwd/include/grpcpp/impl/server_callback_handlers.h:839:22 (xds_cluster_end2end_test@poller=epoll1+0x328f196)
    #5 std::_Function_handler::ServerCallbackReaderWriterImpl::SetupReactor(grpc::ServerBidiReactor*)::'lambda0'(bool)>::_M_invoke(std::_Any_data const&, bool&&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/std_function.h:300:2 (xds_cluster_end2end_test@poller=epoll1+0x328ef1a)
    #6 std::function::operator()(bool) const /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/std_function.h:688:14 (xds_cluster_end2end_test@poller=epoll1+0x3279bb8)
    #7 grpc::internal::CallbackWithSuccessTag::Run(bool)::'lambda'()::operator()() const /proc/self/cwd/include/grpcpp/support/callback_common.h:230:11 (xds_cluster_end2end_test@poller=epoll1+0x3279ae5)
    #8 void std::__invoke_impl(std::__invoke_other, grpc::internal::CallbackWithSuccessTag::Run(bool)::'lambda'() const&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:60:14 (xds_cluster_end2end_test@poller=epoll1+0x3279a65)
    #9 std::__invoke_result::type std::__invoke(grpc::internal::CallbackWithSuccessTag::Run(bool)::'lambda'() const&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:95:14 (xds_cluster_end2end_test@poller=epoll1+0x3279a15)
    #10 std::invoke_result::type std::invoke(grpc::internal::CallbackWithSuccessTag::Run(bool)::'lambda'() const&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/functional:81:14 (xds_cluster_end2end_test@poller=epoll1+0x32799c5)
    #11 void absl::lts_20250127::functional_internal::InvokeObject(absl::lts_20250127::functional_internal::VoidPtr) /proc/self/cwd/external/com_google_absl/absl/functional/internal/function_ref.h:78:7 (xds_cluster_end2end_test@poller=epoll1+0x327996d)
    #12 absl::lts_20250127::FunctionRef::operator()() const /proc/self/cwd/external/com_google_absl/absl/functional/function_ref.h:132:12 (xds_cluster_end2end_test@poller=epoll1+0x3bd0221)
    #13 void grpc::GlobalCallbackHook::CatchingCallback&>(absl::lts_20250127::FunctionRef&) /proc/self/cwd/include/grpcpp/support/global_callback_hook.h:41:5 (xds_cluster_end2end_test@poller=epoll1+0x3bd01a1)
    #14 grpc::DefaultGlobalCallbackHook::RunCallback(grpc_call*, absl::lts_20250127::FunctionRef) /proc/self/cwd/include/grpcpp/support/global_callback_hook.h:50:5 (xds_cluster_end2end_test@poller=epoll1+0x3bd011d)
    #15 grpc::internal::CallbackWithSuccessTag::Run(bool) /proc/self/cwd/include/grpcpp/support/callback_common.h:227:32 (xds_cluster_end2end_test@poller=epoll1+0x3279715)
    #16 grpc::internal::CallbackWithSuccessTag::StaticRun(grpc_completion_queue_functor*, int) /proc/self/cwd/include/grpcpp/support/callback_common.h:212:47 (xds_cluster_end2end_test@poller=epoll1+0x3279329)
    #17 cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0::operator()() const /proc/self/cwd/src/core/lib/surface/completion_queue.cc:913:9 (xds_cluster_end2end_test@poller=epoll1+0x545e2e3)
    #18 void std::__invoke_impl(std::__invoke_other, cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:60:14 (xds_cluster_end2end_test@poller=epoll1+0x545e205)
    #19 std::__invoke_result::type std::__invoke(cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/invoke.h:95:14 (xds_cluster_end2end_test@poller=epoll1+0x545e1b5)
    #20 std::invoke_result::type std::invoke(cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0&) /usr/lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/functional:81:14 (xds_cluster_end2end_test@poller=epoll1+0x545e165)
    #21 void absl::lts_20250127::internal_any_invocable::InvokeR(cq_end_op_for_callback(grpc_completion_queue*, void*, absl::lts_20250127::Status, void (*)(void*, grpc_cq_completion*), void*, grpc_cq_completion*, bool)::$_0&) /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:132:3 (xds_cluster_end2end_test@poller=epoll1+0x545e115)
    #22 void absl::lts_20250127::internal_any_invocable::RemoteInvoker(absl::lts_20250127::internal_any_invocable::TypeErasedState*) /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:368:10 (xds_cluster_end2end_test@poller=epoll1+0x545df6d)
    #23 absl::lts_20250127::internal_any_invocable::Impl::operator()() /proc/self/cwd/external/com_google_absl/absl/functional/internal/any_invocable.h:868:1 (xds_cluster_end2end_test@poller=epoll1+0x4aa14ef)
    #24 grpc_event_engine::experimental::SelfDeletingClosure::Run() /proc/self/cwd/./src/core/lib/event_engine/common_closures.h:54:5 (xds_cluster_end2end_test@poller=epoll1+0x56a78ad)
    #25 grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::Step() /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:552:14 (xds_cluster_end2end_test@poller=epoll1+0x56a4663)
    #26 grpc_event_engine::experimental::WorkStealingThreadPool::ThreadState::ThreadBody() /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:515:10 (xds_cluster_end2end_test@poller=epoll1+0x56a3d47)
    #27 grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread()::$_0::operator()(void*) const /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:277:17 (xds_cluster_end2end_test@poller=epoll1+0x56a5049)
    #28 grpc_event_engine::experimental::WorkStealingThreadPool::WorkStealingThreadPoolImpl::StartThread()::$_0::__invoke(void*) /proc/self/cwd/src/core/lib/event_engine/thread_pool/work_stealing_thread_pool.cc:275:7 (xds_cluster_end2end_test@poller=epoll1+0x56a4fe9)
    #29 grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&)::'lambda'(void*)::operator()(void*) const /proc/self/cwd/src/core/util/posix/thd.cc:145:11 (xds_cluster_end2end_test@poller=epoll1+0x58479f0)
    #30 grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*, grpc_core::Thread::Options const&)::'lambda'(void*)::__invoke(void*) /proc/self/cwd/src/core/util/posix/thd.cc:115:9 (xds_cluster_end2end_test@poller=epoll1+0x5847819)
```

Closes grpc#39806

COPYBARA_INTEGRATE_REVIEW=grpc#39806 from markdroth:lrs_server_callback_fix e10ed85
PiperOrigin-RevId: 769289887
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3 participants

@anniefrchz @ac-patel @ctiller