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rschu1ze wants to merge 4686 commits intomasterfrom
ClickHouse/v1.49.3

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@rschu1ze rschu1ze commented Nov 9, 2023

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dennycd and others added 30 commits July 6, 2022 19:39
* Fix

* test/core/tsi/alts/frame_protector

* Fix

* Fix
…ble (#30225)

* Revert "Revert "XdsClient: refactor transport code to make it injectable (#30183)" (#30223)"

This reverts commit fa57b9d.

* fix deadlock seen internally

* Automated change: Fix sanity tests

* fix memory leak

Co-authored-by: markdroth <markdroth@users.noreply.github.com>
* fix

* gtestify test/core/security

* Fix
* Revert "[build] Automate deps for grpc_base (#29995)"

This reverts commit 5956fb8.

* fix merge

* Automated change: Fix sanity tests

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
…(#30229)

* client_lb_end2end_test: fix flake in RoundRobin.SingleReconnect test

* fix condition used to determine when client has seen backend 0 down

* remove duplicate counter reset

* Automated change: Fix sanity tests

Co-authored-by: markdroth <markdroth@users.noreply.github.com>
* gtestify test/core/security (#30199)

* fix

* gtestify test/core/security

* Fix

* Fix
* outlier detection: improve trace logging

* Automated change: Fix sanity tests

Co-authored-by: markdroth <markdroth@users.noreply.github.com>
This will verify that the configuration for a missing LB gets skipped
in favor of the valid one.
Temporarily disable failover test for Java and Go
…ode (#30008)

* [channel_args] Spread grpc_core::ChannelArgs through client channel code

* progress

* progress

* grpc compiles

* uniqueptr+compiles

* fix

* fix

* fix

* fix

* fix

* fix

* fixes

* fix

* fix

* fixes

* fix-lb

* fix

* fix up arg construction

* fix

* fix

* fix

* fix

* move to const& to save bytes

* fix

* fix

* progress

* review feedback

* fix

* fix

* fixes

* fixes

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* fix

* fix

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* fix

* debug-helper

* Automated change: Fix sanity tests

* fix

* Automated change: Fix sanity tests

* fix

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
…I (#30242)

* Revert "Reland: Add SRV and TXT record lookup methods to the iomgr API (#30206)"

This reverts commit c229703.

* Automated change: Fix sanity tests

Co-authored-by: drfloob <drfloob@users.noreply.github.com>
I've tried this before in #27445 and we found some internal usage of this code. Today I can find no such usage, so let's try again.
* XdsClient: convert timers to use EE API

* fix build

* Automated change: Fix sanity tests

* Automated change: Fix sanity tests

* code review comments

* fix build

Co-authored-by: markdroth <markdroth@users.noreply.github.com>
…174)

The existing optional support for objc_class_prefix only checks the file
defining the service, but the types for the messages can come from other files.
This allows those methods to be skipped if the other files didn't have a
objc_class_prefix set.
Should fix "Expiring Daemon because JVM heap space is exhausted".

grpc/grpc-java#9269 probably pushed the build
over the edge, but there's been evidence via flakes for a good while
that we've been reaching the limit.

b/238438006
* build fix

* Automated change: Fix sanity tests

* x

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
* x

* x

* Automated change: Fix sanity tests

* fix

* fix

Co-authored-by: ctiller <ctiller@users.noreply.github.com>
…0246)

* Revert "Revert "Reland: Add SRV and TXT record lookup methods to the iomgr PAI (#30242)"

This reverts commit b5966f3.

* release lock before unreffing
This function signature changed by accident; it's not used anywhere in the OSS codebase, only internally (perhaps a good hint that it should be eliminated... I'm going to look into that).

Revert the signature from the change in #30252 to unblock the import.
* Changed num_threads

* Update by review

* Update by review
* fix

* gtestify test/core/gprpp

* Update by review
* gtestify test/core/channel

* Update by review

* Fix 2
change rfc5234 link protocol to https.
* Gtestify cmdline_test

* gtestify histogram_test

* Fix
…S error (#29961)

* Save ENOBUFS errno correctly in tcp_posix for subsequent handling

* update

* Prevent a gRPC connection from being fatally terminated due to ENOBUFS error

* update comment

* Add comments

* fix enobufs handling when zero-copy is not used

* remove hdr file
gnossen and others added 26 commits August 31, 2022 15:06
* bump version to 1.49.0-pre3

* regenerate projects
…#30856)

- Enables pod log collection in all PSM interop jobs implemented in grpc/grpc#30594.
- Associate test suite runs with their own log file, so it's displayed on "Target Log" tab
To capture the return status of the test in run_test the last command must be the call to the test itself.
This removes `set +x`, which makes the run_test always return success, and not propagate the test status.

I can't find it, but this exact error bit us before. Looks like it leaked to other scripts.
The good thing is if the test was executed, it's failure would still be picked up from the result xml.

However, if the test framework didn't start in the first place, the result will be false positive.
Example: https://source.cloud.google.com/results/invocations/98d3e679-ec8a-40bd-9f36-88179747b0d6/targets

```
/home/kbuilder/.pyenv/versions/k8s_xds_test_runner/bin/python3: Error while finding module specification for 'tests.authz_test' (ModuleNotFoundError: No module named 'tests')
+ set +x
Failed test suites: 0

[ID: 3548168] Command finished after 625 secs, exit value: 0
```
* Support Python 3.11

* Update build images for 3.11

* Whoopsie

* The architecture of this thing is garbage

* Silence ownership warning

* Account for change in git behavior

* Fix directory

* I am in great pain

* Update Windows and arm linux

* Agh

* Clean up
* bump version to 1.49.0

* regenerate projects
* Update third_party/protobuf

* run tools/distrib/python/make_grpcio_tools.py

* update build_handwritten.yaml

* regenerate projects
* bump version to 1.49.1

* regenerate projects

* Automated change: Fix sanity tests

Co-authored-by: gnossen <gnossen@users.noreply.github.com>
…31047) (#31066)

Co-authored-by: Mark D. Roth <roth@google.com>
* Re-add compiler protos to grpcio-tools

* Attempt to break

* Actually fail if protobufs don't compile. Who wrote this thing?

* Add an actual test

* yapf

* Whoops. Thought I'd reverted you

* Please the formatter gods
To mitigate CVE-2022-37434

Co-authored-by: Mikhail Lappo <miklelappo@users.noreply.github.com>
* bump version to 1.49.2

* regenerate projects
* fix python build on kokoro macos monterey

* avoid using realpath

* fix grpc_distribtests_python on macos monterey

* try upgrade setuptools

Co-authored-by: Jan Tattermusch <jtattermusch@google.com>
Co-authored-by: Jan Tattermusch <jtattermusch@google.com>
…#32093) (#32119)

Apparently there's a difference between bash 3 and bash 4. OSX comes with bash 3 out-of-box, so for whoever wrote this logic it "worked on my machine".

The `((` construct returns a 0 exit code if the value is non-zero. Since the value starts at 0 and we do a post-increment, it will always fail the first time. Changing it to a pre-increment should fix it.
@rschu1ze rschu1ze closed this Nov 9, 2023
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Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 12 committers have signed the CLA.

✅ rschu1ze
❌ ctiller
❌ Vignesh2208
❌ yashykt
❌ gnossen
❌ drfloob
❌ ralphchung
❌ easwars
❌ apolcyn
❌ veblush
❌ markdroth
❌ sergiitk
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rschu1ze pushed a commit that referenced this pull request Nov 10, 2023
This fixes a very strange TSAN flake seen in an internal test
(b/268292646), which seems to have been introduced in
grpc/grpc#32326.

I've included an example of the TSAN failure below, for future
reference. I don't fully understand what is causing this failure. It
looks like the async callback from a previous picker update caused the
pick to be re-queued but then got stuck draining queued callbacks in its
`ExecCtx` instance, while the async callback from the next picker update
had already failed the call. But the part I don't understand is why the
call combiner cancellation callback wound up scheduled on the `ExecCtx`
instance from the first thread -- that seems likely to be caused by
either the `WorkSerializer` or maybe `ExecCtx` work-stealing, but the
exact details are likely to be hard to nail down.

Switching from `EventEngine::Run()` back to `ExecCtx::Run()` seems to
fix the flake, so that's what I'm doing in this PR. I find this
work-around deeply dissatisfying, especially since I do not fully
understand the root cause of the problem. However, given that we are
working toward eliminating the `FilterBasedLoadBalancedCall` code
entirely as part of the promise conversion, this problem is probably not
worth further investigation.

```
WARNING: ThreadSanitizer: data race (pid=7406)
  Read of size 8 at 0x7b8800037558 by thread T47:
    #0 grpc_core::ClientChannel::FilterBasedLoadBalancedCall::~FilterBasedLoadBalancedCall() third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:2780:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x530ed) (BuildId: a8369742d3c435f7f1a244a535f4907c)
    #1 Delete third_party/grpc/src/core/lib/gprpp/ref_counted.h:248:31 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x64a73) (BuildId: a8369742d3c435f7f1a244a535f4907c)
    #2 Unref third_party/grpc/src/core/lib/gprpp/orphanable.h:102:7 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x64a73)
    #3 ~RefCountedPtr third_party/grpc/src/core/lib/gprpp/ref_counted_ptr.h:103:36 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x64a73)
    #4 ~LbQueuedCallCanceller third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3132:51 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x64a73)
    #5 grpc_core::ClientChannel::FilterBasedLoadBalancedCall::LbQueuedCallCanceller::CancelLocked(void*, absl::Status) third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3168:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x64a73)
    #6 exec_ctx_run third_party/grpc/src/core/lib/iomgr/exec_ctx.cc:45:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibexec_Uctx.so+0x4199) (BuildId: cafb035b95f6c781e93706a71dce95f3)
    #7 grpc_core::ExecCtx::Flush() third_party/grpc/src/core/lib/iomgr/exec_ctx.cc:72:9 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibexec_Uctx.so+0x4199)
    #8 ~ExecCtx third_party/grpc/src/core/lib/iomgr/exec_ctx.h:117:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c095) (BuildId: a8369742d3c435f7f1a244a535f4907c)
    #9 operator() third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3201:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c095)
    #10 __invoke<(lambda at third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3196:46) &> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c095)
    #11 invoke<(lambda at third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3196:46) &> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c095)
    #12 InvokeR<void, (lambda at third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3196:46) &, void> third_party/absl/functional/internal/any_invocable.h:131:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c095)
    #13 void absl::internal_any_invocable::LocalInvoker<false, void, grpc_core::ClientChannel::FilterBasedLoadBalancedCall::RetryPickLocked()::$_0&>(absl::internal_any_invocable::TypeErasedState*) third_party/absl/functional/internal/any_invocable.h:301:10 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c095)
    #14 operator() third_party/absl/functional/internal/any_invocable.h:855:1 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Sevent_Uengine_Slibevent_Uengine_Uem_Uimpl.so+0x16a74) (BuildId: 7802a789e61dddac5a33230a2f294046)
    #15 util::functional::internal::FunctorCallback<Closure, false, absl::AnyInvocable<void ()>, void ()>::Run() util/functional/to_callback_internal.h:87:27 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Sevent_Uengine_Slibevent_Uengine_Uem_Uimpl.so+0x16a74)
    #16 void eventmanager::EventManager::RunTask<false>(eventmanager::EventManager::WorkerThread*, eventmanager::TaskInfo*) net/eventmanager/em1/eventmanager.cc:2464:20 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x2ae1b) (BuildId: b3d97518d96e160722658c4aa0795013)
    #17 void eventmanager::EventManager::RunWorkerLoop<false, false>(eventmanager::EventManager::WorkerThread*) net/eventmanager/em1/eventmanager.cc (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x2a45d) (BuildId: b3d97518d96e160722658c4aa0795013)
    #18 eventmanager::EventManager::WorkerThread::WorkerMain() net/eventmanager/em1/eventmanager.cc:430:19 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x1d841) (BuildId: b3d97518d96e160722658c4aa0795013)
    #19 operator() net/eventmanager/em1/eventmanager.cc:396:64 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351) (BuildId: b3d97518d96e160722658c4aa0795013)
    #20 __invoke<(lambda at net/eventmanager/em1/eventmanager.cc:396:55)> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351)
    #21 invoke<(lambda at net/eventmanager/em1/eventmanager.cc:396:55)> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351)
    #22 InvokeR<void, (lambda at net/eventmanager/em1/eventmanager.cc:396:55), void> third_party/absl/functional/internal/any_invocable.h:131:3 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351)
    #23 void absl::internal_any_invocable::LocalInvoker<false, void, eventmanager::EventManager::WorkerThread::StartThread(int, int, thread::SchedPolicy, std::__tsan::basic_string_view<char, std::__tsan::char_traits<char>>)::'lambda'()&&>(absl::internal_any_invocable::TypeErasedState*) third_party/absl/functional/internal/any_invocable.h:301:10 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351)
    #24 operator() third_party/absl/functional/internal/any_invocable.h:863:1 (libST-a5842b3303c3_security_Sganpati_Ssharded_Uclient_Slibacl_Ucache.so+0x24c1e) (BuildId: a86eb59aee0be7b5882a1b532922e3ca)
    #25 ClosureThread::Run() thread/thread.h:459:25 (libST-a5842b3303c3_security_Sganpati_Ssharded_Uclient_Slibacl_Ucache.so+0x24c1e)
    #26 Thread::ThreadBody(void*) thread/thread.cc:1284:16 (libST-a5842b3303c3_thread_Slibthread.so+0x251e9) (BuildId: a1762ef5c5732b3ad8a3b3d798292e27)

  Previous write of size 8 at 0x7b8800037558 by thread T40:
    #0 grpc_core::ClientChannel::FilterBasedLoadBalancedCall::PendingBatchesFail(absl::Status, bool (*)(grpc_core::CallCombinerClosureList const&)) third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:2863:13 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x537c7) (BuildId: a8369742d3c435f7f1a244a535f4907c)
    #1 grpc_core::ClientChannel::FilterBasedLoadBalancedCall::TryPick(bool) third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3179:7 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x5537f) (BuildId: a8369742d3c435f7f1a244a535f4907c)
    #2 operator() third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3200:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c077) (BuildId: a8369742d3c435f7f1a244a535f4907c)
    #3 __invoke<(lambda at third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3196:46) &> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c077)
    #4 invoke<(lambda at third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3196:46) &> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c077)
    #5 InvokeR<void, (lambda at third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:3196:46) &, void> third_party/absl/functional/internal/any_invocable.h:131:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c077)
    #6 void absl::internal_any_invocable::LocalInvoker<false, void, grpc_core::ClientChannel::FilterBasedLoadBalancedCall::RetryPickLocked()::$_0&>(absl::internal_any_invocable::TypeErasedState*) third_party/absl/functional/internal/any_invocable.h:301:10 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Uclient_Uchannel.so+0x6c077)
    #7 operator() third_party/absl/functional/internal/any_invocable.h:855:1 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Sevent_Uengine_Slibevent_Uengine_Uem_Uimpl.so+0x16a74) (BuildId: 7802a789e61dddac5a33230a2f294046)
    #8 util::functional::internal::FunctorCallback<Closure, false, absl::AnyInvocable<void ()>, void ()>::Run() util/functional/to_callback_internal.h:87:27 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Sevent_Uengine_Slibevent_Uengine_Uem_Uimpl.so+0x16a74)
    #9 void eventmanager::EventManager::RunTask<false>(eventmanager::EventManager::WorkerThread*, eventmanager::TaskInfo*) net/eventmanager/em1/eventmanager.cc:2464:20 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x2ae1b) (BuildId: b3d97518d96e160722658c4aa0795013)
    #10 void eventmanager::EventManager::RunWorkerLoop<false, false>(eventmanager::EventManager::WorkerThread*) net/eventmanager/em1/eventmanager.cc (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x2a45d) (BuildId: b3d97518d96e160722658c4aa0795013)
    #11 eventmanager::EventManager::WorkerThread::WorkerMain() net/eventmanager/em1/eventmanager.cc:430:19 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x1d841) (BuildId: b3d97518d96e160722658c4aa0795013)
    #12 operator() net/eventmanager/em1/eventmanager.cc:396:64 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351) (BuildId: b3d97518d96e160722658c4aa0795013)
    #13 __invoke<(lambda at net/eventmanager/em1/eventmanager.cc:396:55)> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351)
    #14 invoke<(lambda at net/eventmanager/em1/eventmanager.cc:396:55)> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351)
    #15 InvokeR<void, (lambda at net/eventmanager/em1/eventmanager.cc:396:55), void> third_party/absl/functional/internal/any_invocable.h:131:3 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351)
    #16 void absl::internal_any_invocable::LocalInvoker<false, void, eventmanager::EventManager::WorkerThread::StartThread(int, int, thread::SchedPolicy, std::__tsan::basic_string_view<char, std::__tsan::char_traits<char>>)::'lambda'()&&>(absl::internal_any_invocable::TypeErasedState*) third_party/absl/functional/internal/any_invocable.h:301:10 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x28351)
    #17 operator() third_party/absl/functional/internal/any_invocable.h:863:1 (libST-a5842b3303c3_security_Sganpati_Ssharded_Uclient_Slibacl_Ucache.so+0x24c1e) (BuildId: a86eb59aee0be7b5882a1b532922e3ca)
    #18 ClosureThread::Run() thread/thread.h:459:25 (libST-a5842b3303c3_security_Sganpati_Ssharded_Uclient_Slibacl_Ucache.so+0x24c1e)
    #19 Thread::ThreadBody(void*) thread/thread.cc:1284:16 (libST-a5842b3303c3_thread_Slibthread.so+0x251e9) (BuildId: a1762ef5c5732b3ad8a3b3d798292e27)

  Thread T47 'EventManager_Default' (tid=7454, running) created by main thread at:
    #0 pthread_create third_party/llvm/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1048:3 (c0da98875dfb74bd2cfcbd76306f382f2d05e1326f778b3a4cefdef1a42a75e7_020000b94930+0x1887b9) (BuildId: e468d94e410a7e13e19b26c4f7277674)
    #1 Thread::CreatePthread(pthread_attr_t&) thread/thread.cc:485:13 (libST-a5842b3303c3_thread_Slibthread.so+0x24b1d) (BuildId: a1762ef5c5732b3ad8a3b3d798292e27)
    #2 Thread::Start() thread/thread.cc:667:3 (libST-a5842b3303c3_thread_Slibthread.so+0x2574b) (BuildId: a1762ef5c5732b3ad8a3b3d798292e27)
    #3 StartThread net/eventmanager/em1/eventmanager.cc:397:14 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x1bbed) (BuildId: b3d97518d96e160722658c4aa0795013)
    #4 eventmanager::EventManager::EventManager(eventmanager::EventManager::Options const&) net/eventmanager/em1/eventmanager.cc:1274:23 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x1bbed)
    #5 InitializeDefaultEventManager() net/eventmanager/em1/eventmanager.cc:3042:39 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x25c06) (BuildId: b3d97518d96e160722658c4aa0795013)
    #6 __invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #7 invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #8 void absl::base_internal::CallOnceImpl<void (*&)()>(std::__tsan::atomic<unsigned int>*, absl::base_internal::SchedulingMode, void (*&)()) third_party/absl/base/call_once.h:184:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #9 GoogleOnceInternalInit base/once.cc:23:5 (libST-a5842b3303c3_base_Slibonce.so+0xeee) (BuildId: 6c436371e89d7962c2b544d27465d6a0)
    #10 GoogleOnceInternalInitSchedCoopAndKernel(std::__tsan::atomic<unsigned int>*, void (*)()) base/once.cc:15:3 (libST-a5842b3303c3_base_Slibonce.so+0xeee)
    #11 GoogleOnceInit base/once.h:72:5 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x25ad9) (BuildId: b3d97518d96e160722658c4aa0795013)
    #12 eventmanager::EventManager::DefaultEventManager() net/eventmanager/em1/eventmanager.cc:3059:3 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x25ad9)
    #13 Default net/eventmanager/em1/eventmanager.h:780:43 (libST-a5842b3303c3_net_Seventmanager_Slibeventmanager_Udefault.so+0x14c5) (BuildId: 2e1dde05e8bce5319856279d896c4405)
    #14 eventmanager::Default() net/eventmanager/eventmanager_default.cc:22:10 (libST-a5842b3303c3_net_Seventmanager_Slibeventmanager_Udefault.so+0x14c5)
    #15 grpc::(anonymous namespace)::InitGlobalEventManager() net/grpc/internal/src/core/ext/event_engine/grpc_event_manager.cc:38:23 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Sevent_Uengine_Slibgrpc_Uevent_Umanager.so+0x1c28) (BuildId: 8bd3c1826fd11ffa128e7839a85c05a0)
    #16 __invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #17 invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #18 void absl::base_internal::CallOnceImpl<void (*&)()>(std::__tsan::atomic<unsigned int>*, absl::base_internal::SchedulingMode, void (*&)()) third_party/absl/base/call_once.h:184:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #19 call_once<void (*&)()> third_party/absl/base/call_once.h:216:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaa0b) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #20 gpr_once_init third_party/grpc/src/core/lib/gpr/sync_abseil.cc:107:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaa0b)
    #21 grpc::GetGrpcEventManager() net/grpc/internal/src/core/ext/event_engine/grpc_event_manager.cc:51:3 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Sevent_Uengine_Slibgrpc_Uevent_Umanager.so+0x18c1) (BuildId: 8bd3c1826fd11ffa128e7839a85c05a0)
    #22 check_engine_available(bool) net/grpc/internal/src/core/ext/poller/event_manager_poller/ev_event_manager_linux.cc:1271:21 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Spoller_Sevent_Umanager_Upoller_Slibev_Uevent_Umanager_Ulinux.so+0x4fcb) (BuildId: 620adb83259aed32440614774678b3a1)
    #23 try_engine third_party/grpc/src/core/lib/iomgr/ev_posix.cc:141:9 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xad888) (BuildId: 3cb6b043bd10222927301e33a3760646)
    #24 operator() third_party/grpc/src/core/lib/iomgr/ev_posix.cc:184:7 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xad888)
    #25 grpc_event_engine_init()::$_0::__invoke() third_party/grpc/src/core/lib/iomgr/ev_posix.cc:175:35 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xad888)
    #26 __invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #27 invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #28 void absl::base_internal::CallOnceImpl<void (*&)()>(std::__tsan::atomic<unsigned int>*, absl::base_internal::SchedulingMode, void (*&)()) third_party/absl/base/call_once.h:184:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #29 call_once<void (*&)()> third_party/absl/base/call_once.h:216:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaa0b) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #30 gpr_once_init third_party/grpc/src/core/lib/gpr/sync_abseil.cc:107:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaa0b)
    #31 grpc_event_engine_init() third_party/grpc/src/core/lib/iomgr/ev_posix.cc:175:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xacab1) (BuildId: 3cb6b043bd10222927301e33a3760646)
    #32 iomgr_platform_init() third_party/grpc/src/core/lib/iomgr/iomgr_posix.cc:43:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xaf1d0) (BuildId: 3cb6b043bd10222927301e33a3760646)
    #33 grpc_iomgr_platform_init() third_party/grpc/src/core/lib/iomgr/iomgr_internal.cc:35:35 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibexec_Uctx.so+0x688b) (BuildId: cafb035b95f6c781e93706a71dce95f3)
    #34 grpc_iomgr_init() third_party/grpc/src/core/lib/iomgr/iomgr.cc:66:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xae777) (BuildId: 3cb6b043bd10222927301e33a3760646)
    #35 grpc_init third_party/grpc/src/core/lib/surface/init.cc:144:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc.so+0x4518) (BuildId: 778b43e2e8f8c132a7acf9b3da117fff)
    #36 k3::(anonymous namespace)::GrpcInitHackEnvironment::SetUp() storage/k3/grpc/grpc_server_test.cc:144:27 (c0da98875dfb74bd2cfcbd76306f382f2d05e1326f778b3a4cefdef1a42a75e7_020000b94930+0x212d21) (BuildId: e468d94e410a7e13e19b26c4f7277674)
    #37 SetUpEnvironment third_party/googletest/googletest/src/gtest.cc:5763:55 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6f58b) (BuildId: ec51e8d56b1390e9939f663d4700c7da)
    #38 for_each<std::__tsan::__wrap_iter<testing::Environment *const *>, void (*)(testing::Environment *)> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__algorithm/for_each.h:26:5 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6f58b)
    #39 ForEach<std::__tsan::vector<testing::Environment *, std::__tsan::allocator<testing::Environment *> >, void (*)(testing::Environment *)> third_party/googletest/googletest/src/gtest-internal-inl.h:288:3 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6f58b)
    #40 testing::internal::UnitTestImpl::RunAllTests() third_party/googletest/googletest/src/gtest.cc:5876:9 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6f58b)
    #41 HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> third_party/googletest/googletest/src/gtest.cc (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6ee41) (BuildId: ec51e8d56b1390e9939f663d4700c7da)
    #42 testing::UnitTest::Run() third_party/googletest/googletest/src/gtest.cc:5464:10 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6ee41)
    #43 RUN_ALL_TESTS third_party/googletest/googletest/include/gtest/gtest.h:2329:73 (c0da98875dfb74bd2cfcbd76306f382f2d05e1326f778b3a4cefdef1a42a75e7_020000b94930+0x2aa83a) (BuildId: e468d94e410a7e13e19b26c4f7277674)
    #44 main testing/base/internal/gunit_main.cc:86:10 (c0da98875dfb74bd2cfcbd76306f382f2d05e1326f778b3a4cefdef1a42a75e7_020000b94930+0x2aa83a)

  Thread T40 'EventManager_Default' (tid=7447, running) created by main thread at:
    #0 pthread_create third_party/llvm/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1048:3 (c0da98875dfb74bd2cfcbd76306f382f2d05e1326f778b3a4cefdef1a42a75e7_020000b94930+0x1887b9) (BuildId: e468d94e410a7e13e19b26c4f7277674)
    #1 Thread::CreatePthread(pthread_attr_t&) thread/thread.cc:485:13 (libST-a5842b3303c3_thread_Slibthread.so+0x24b1d) (BuildId: a1762ef5c5732b3ad8a3b3d798292e27)
    #2 Thread::Start() thread/thread.cc:667:3 (libST-a5842b3303c3_thread_Slibthread.so+0x2574b) (BuildId: a1762ef5c5732b3ad8a3b3d798292e27)
    #3 StartThread net/eventmanager/em1/eventmanager.cc:397:14 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x1bbed) (BuildId: b3d97518d96e160722658c4aa0795013)
    #4 eventmanager::EventManager::EventManager(eventmanager::EventManager::Options const&) net/eventmanager/em1/eventmanager.cc:1274:23 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x1bbed)
    #5 InitializeDefaultEventManager() net/eventmanager/em1/eventmanager.cc:3042:39 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x25c06) (BuildId: b3d97518d96e160722658c4aa0795013)
    #6 __invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #7 invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #8 void absl::base_internal::CallOnceImpl<void (*&)()>(std::__tsan::atomic<unsigned int>*, absl::base_internal::SchedulingMode, void (*&)()) third_party/absl/base/call_once.h:184:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #9 GoogleOnceInternalInit base/once.cc:23:5 (libST-a5842b3303c3_base_Slibonce.so+0xeee) (BuildId: 6c436371e89d7962c2b544d27465d6a0)
    #10 GoogleOnceInternalInitSchedCoopAndKernel(std::__tsan::atomic<unsigned int>*, void (*)()) base/once.cc:15:3 (libST-a5842b3303c3_base_Slibonce.so+0xeee)
    #11 GoogleOnceInit base/once.h:72:5 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x25ad9) (BuildId: b3d97518d96e160722658c4aa0795013)
    #12 eventmanager::EventManager::DefaultEventManager() net/eventmanager/em1/eventmanager.cc:3059:3 (libST-a5842b3303c3_net_Seventmanager_Sem1_Slibem1.so+0x25ad9)
    #13 Default net/eventmanager/em1/eventmanager.h:780:43 (libST-a5842b3303c3_net_Seventmanager_Slibeventmanager_Udefault.so+0x14c5) (BuildId: 2e1dde05e8bce5319856279d896c4405)
    #14 eventmanager::Default() net/eventmanager/eventmanager_default.cc:22:10 (libST-a5842b3303c3_net_Seventmanager_Slibeventmanager_Udefault.so+0x14c5)
    #15 grpc::(anonymous namespace)::InitGlobalEventManager() net/grpc/internal/src/core/ext/event_engine/grpc_event_manager.cc:38:23 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Sevent_Uengine_Slibgrpc_Uevent_Umanager.so+0x1c28) (BuildId: 8bd3c1826fd11ffa128e7839a85c05a0)
    #16 __invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #17 invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #18 void absl::base_internal::CallOnceImpl<void (*&)()>(std::__tsan::atomic<unsigned int>*, absl::base_internal::SchedulingMode, void (*&)()) third_party/absl/base/call_once.h:184:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #19 call_once<void (*&)()> third_party/absl/base/call_once.h:216:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaa0b) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #20 gpr_once_init third_party/grpc/src/core/lib/gpr/sync_abseil.cc:107:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaa0b)
    #21 grpc::GetGrpcEventManager() net/grpc/internal/src/core/ext/event_engine/grpc_event_manager.cc:51:3 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Sevent_Uengine_Slibgrpc_Uevent_Umanager.so+0x18c1) (BuildId: 8bd3c1826fd11ffa128e7839a85c05a0)
    #22 check_engine_available(bool) net/grpc/internal/src/core/ext/poller/event_manager_poller/ev_event_manager_linux.cc:1271:21 (libST-a5842b3303c3_net_Sgrpc_Sinternal_Ssrc_Score_Sext_Spoller_Sevent_Umanager_Upoller_Slibev_Uevent_Umanager_Ulinux.so+0x4fcb) (BuildId: 620adb83259aed32440614774678b3a1)
    #23 try_engine third_party/grpc/src/core/lib/iomgr/ev_posix.cc:141:9 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xad888) (BuildId: 3cb6b043bd10222927301e33a3760646)
    #24 operator() third_party/grpc/src/core/lib/iomgr/ev_posix.cc:184:7 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xad888)
    #25 grpc_event_engine_init()::$_0::__invoke() third_party/grpc/src/core/lib/iomgr/ev_posix.cc:175:35 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xad888)
    #26 __invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:394:23 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #27 invoke<void (*&)()> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__functional/invoke.h:539:12 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #28 void absl::base_internal::CallOnceImpl<void (*&)()>(std::__tsan::atomic<unsigned int>*, absl::base_internal::SchedulingMode, void (*&)()) third_party/absl/base/call_once.h:184:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaab9)
    #29 call_once<void (*&)()> third_party/absl/base/call_once.h:216:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaa0b) (BuildId: fe43c5a995ecc22efa243d05ef607fb9)
    #30 gpr_once_init third_party/grpc/src/core/lib/gpr/sync_abseil.cc:107:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgpr.so+0xaa0b)
    #31 grpc_event_engine_init() third_party/grpc/src/core/lib/iomgr/ev_posix.cc:175:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xacab1) (BuildId: 3cb6b043bd10222927301e33a3760646)
    #32 iomgr_platform_init() third_party/grpc/src/core/lib/iomgr/iomgr_posix.cc:43:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xaf1d0) (BuildId: 3cb6b043bd10222927301e33a3760646)
    #33 grpc_iomgr_platform_init() third_party/grpc/src/core/lib/iomgr/iomgr_internal.cc:35:35 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibexec_Uctx.so+0x688b) (BuildId: cafb035b95f6c781e93706a71dce95f3)
    #34 grpc_iomgr_init() third_party/grpc/src/core/lib/iomgr/iomgr.cc:66:3 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc_Ubase.so+0xae777) (BuildId: 3cb6b043bd10222927301e33a3760646)
    #35 grpc_init third_party/grpc/src/core/lib/surface/init.cc:144:5 (libST-a5842b3303c3_third_Uparty_Sgrpc_Sgoogle_Slibgrpc.so+0x4518) (BuildId: 778b43e2e8f8c132a7acf9b3da117fff)
    #36 k3::(anonymous namespace)::GrpcInitHackEnvironment::SetUp() storage/k3/grpc/grpc_server_test.cc:144:27 (c0da98875dfb74bd2cfcbd76306f382f2d05e1326f778b3a4cefdef1a42a75e7_020000b94930+0x212d21) (BuildId: e468d94e410a7e13e19b26c4f7277674)
    #37 SetUpEnvironment third_party/googletest/googletest/src/gtest.cc:5763:55 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6f58b) (BuildId: ec51e8d56b1390e9939f663d4700c7da)
    #38 for_each<std::__tsan::__wrap_iter<testing::Environment *const *>, void (*)(testing::Environment *)> third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__algorithm/for_each.h:26:5 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6f58b)
    #39 ForEach<std::__tsan::vector<testing::Environment *, std::__tsan::allocator<testing::Environment *> >, void (*)(testing::Environment *)> third_party/googletest/googletest/src/gtest-internal-inl.h:288:3 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6f58b)
    #40 testing::internal::UnitTestImpl::RunAllTests() third_party/googletest/googletest/src/gtest.cc:5876:9 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6f58b)
    #41 HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> third_party/googletest/googletest/src/gtest.cc (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6ee41) (BuildId: ec51e8d56b1390e9939f663d4700c7da)
    #42 testing::UnitTest::Run() third_party/googletest/googletest/src/gtest.cc:5464:10 (libST-a5842b3303c3_third_Uparty_Sgoogletest_Slibgtest.so+0x6ee41)
    #43 RUN_ALL_TESTS third_party/googletest/googletest/include/gtest/gtest.h:2329:73 (c0da98875dfb74bd2cfcbd76306f382f2d05e1326f778b3a4cefdef1a42a75e7_020000b94930+0x2aa83a) (BuildId: e468d94e410a7e13e19b26c4f7277674)
    #44 main testing/base/internal/gunit_main.cc:86:10 (c0da98875dfb74bd2cfcbd76306f382f2d05e1326f778b3a4cefdef1a42a75e7_020000b94930+0x2aa83a)

SUMMARY: ThreadSanitizer: data race third_party/grpc/src/core/ext/filters/client_channel/client_channel.cc:2780:5 in grpc_core::ClientChannel::FilterBasedLoadBalancedCall::~FilterBasedLoadBalancedCall()
```
rschu1ze pushed a commit that referenced this pull request Nov 10, 2023
Long story here:

CallbackAlternativeCQ operates a thread pool which processes a
completion queue and then directly invokes the completion function in
the same thread. This thread pool is initialized on first Ref() and
unallocated on last Unref().

When running an in-process synchronous server (as we do for tests, using
this
https://github.com/google/tensorstore/blob/master/tensorstore/internal/grpc/grpc_mock.h),
called by an async() interface caller, if the async() callback happens
to drop the last reference to the grpc Channel, then the channel
shutdown will attempt to run in one of the the CallbackAlternativeCQ
threads.

This will cause a deadlock/race condition, as `CallbackAlternativeCQ` is
not designed to shutdown itself. When this deadlock happens,
`pthread_join(pthread_id_)` will return `EDEADLK` and the thread will
keep running. However `EDEADLK` is silently ignored by Join() so
`CallbackAlternativeCQ::Unref` will continue to delete the underlying
grpc_completion_queue, leading to a `SIGSEGV` later in the process.


https://github.com/grpc/grpc/blob/97ba9871324cb68b93f22fd1860934392cd476ee/src/cpp/common/completion_queue_cc.cc#L115

This adds an assert that pthread_join succeeded, which is useful as it
avoids a later SIGSEBV. Alternatively, the thread implementation could
gpr_log the errorcode before asserting.


Example backtrace of crash:

frame #0: 0x0000000194f1e868 libsystem_kernel.dylib`__pthread_kill + 8
frame #1: 0x0000000194f55cec libsystem_pthread.dylib`pthread_kill + 288
    frame #2: 0x0000000194e8e2c8 libsystem_c.dylib`abort + 180
    frame #3: 0x0000000194e8d620 libsystem_c.dylib`__assert_rtn + 272
frame #4: 0x0000000100a64f50 grpc_kvstore_test`grpc_core::(anonymous
namespace)::ThreadInternalsPosix::Join() + 188
frame #5: 0x00000001009c5dd0 grpc_kvstore_test`grpc_core::Thread::Join()
+ 56
frame #6: 0x0000000100154474 grpc_kvstore_test`grpc::(anonymous
namespace)::CallbackAlternativeCQ::Unref() + 216
frame #7: 0x0000000100154390
grpc_kvstore_test`grpc::CompletionQueue::ReleaseCallbackAlternativeCQ(grpc::CompletionQueue*)
+ 120
frame #8: 0x000000010014130c grpc_kvstore_test`grpc::Channel::~Channel()
+ 220
frame #9: 0x00000001001413c8 grpc_kvstore_test`grpc::Channel::~Channel()
+ 28
frame #10: 0x000000010014d678
grpc_kvstore_test`std::__1::default_delete<grpc::Channel>::operator()(grpc::Channel*)
const + 44
frame #11: 0x000000010014d358
grpc_kvstore_test`std::__1::__shared_ptr_pointer<grpc::Channel*,
std::__1::shared_ptr<grpc::Channel>::__shared_ptr_default_delete<grpc::Channel,
grpc::Channel>, std::__1::allocator<grpc::Channel> >::__on_zero_shared()
+ 72
frame #12: 0x000000010002ab5c
grpc_kvstore_test`std::__1::__shared_count::__release_shared() + 60
frame #13: 0x000000010002ab00
grpc_kvstore_test`std::__1::__shared_weak_count::__release_shared() + 28
frame #14: 0x000000010002aad0
grpc_kvstore_test`std::__1::shared_ptr<grpc::ServerCredentials>::~shared_ptr()
+ 56
frame #15: 0x00000001000053ec
grpc_kvstore_test`std::__1::shared_ptr<tensorstore_grpc::kvstore::grpc_gen::KvStoreService::Stub>::~shared_ptr()
+ 28
frame #16: 0x000000010014653c
grpc_kvstore_test`grpc::ClientContext::~ClientContext() + 356
frame #17: 0x0000000100146570
grpc_kvstore_test`grpc::ClientContext::~ClientContext() + 28
frame #18: 0x00000001000ab000 grpc_kvstore_test`tensorstore::(anonymous
namespace)::ReadTask::~ReadTask() + 68
frame #19: 0x00000001000aae90 grpc_kvstore_test`tensorstore::(anonymous
namespace)::ReadTask::~ReadTask() + 28
frame #20: 0x00000001000aae18
grpc_kvstore_test`tensorstore::internal::intrusive_ptr_decrement(tensorstore::internal::AtomicReferenceCount<tensorstore::(anonymous
namespace)::ReadTask> const*) + 68
frame #21: 0x00000001000aadc8 grpc_kvstore_test`void
tensorstore::internal::DefaultIntrusivePtrTraits::decrement<tensorstore::(anonymous
namespace)::ReadTask*>(tensorstore::(anonymous namespace)::ReadTask*) +
24
frame #22: 0x00000001000aad9c
grpc_kvstore_test`tensorstore::internal::IntrusivePtr<tensorstore::(anonymous
namespace)::ReadTask,
tensorstore::internal::DefaultIntrusivePtrTraits>::~IntrusivePtr() + 52
frame #23: 0x00000001000a5994
grpc_kvstore_test`tensorstore::internal::IntrusivePtr<tensorstore::(anonymous
namespace)::ReadTask,
tensorstore::internal::DefaultIntrusivePtrTraits>::~IntrusivePtr() + 28
frame #24: 0x00000001000aac24 grpc_kvstore_test`tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status)::~() + 40
frame #25: 0x00000001000a6280 grpc_kvstore_test`tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status)::~() + 28
frame #26: 0x00000001000a84ac
grpc_kvstore_test`std::__1::__compressed_pair_elem<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status), 0,
false>::~__compressed_pair_elem() + 28
frame #27: 0x00000001000a86c0
grpc_kvstore_test`std::__1::__compressed_pair<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status),
std::__1::allocator<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status)> >::~__compressed_pair() + 28
frame #28: 0x00000001000a8694
grpc_kvstore_test`std::__1::__compressed_pair<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status),
std::__1::allocator<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status)> >::~__compressed_pair() + 28
frame #29: 0x00000001000a990c
grpc_kvstore_test`std::__1::__function::__alloc_func<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status),
std::__1::allocator<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status)>, void (grpc::Status)>::destroy() +
24
frame #30: 0x00000001000a7ea0
grpc_kvstore_test`std::__1::__function::__func<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status),
std::__1::allocator<tensorstore::(anonymous
namespace)::ReadTask::Start(tensorstore_grpc::kvstore::grpc_gen::KvStoreService::StubInterface*,
absl::Time)::'lambda'(grpc::Status)>, void (grpc::Status)>::destroy() +
28
frame #31: 0x00000001000aabbc
grpc_kvstore_test`std::__1::__function::__value_func<void
(grpc::Status)>::~__value_func() + 68
frame #32: 0x00000001000aab68
grpc_kvstore_test`std::__1::__function::__value_func<void
(grpc::Status)>::~__value_func() + 28
frame #33: 0x00000001000aab3c grpc_kvstore_test`std::__1::function<void
(grpc::Status)>::~function() + 28
frame #34: 0x00000001000a6254 grpc_kvstore_test`std::__1::function<void
(grpc::Status)>::~function() + 28
frame #35: 0x0000000100108ae0
grpc_kvstore_test`grpc::internal::CallbackWithStatusTag::Run(bool) + 368
frame #36: 0x0000000100108964
grpc_kvstore_test`grpc::internal::CallbackWithStatusTag::StaticRun(grpc_completion_queue_functor*,
int) + 44
frame #37: 0x0000000100154cb0 grpc_kvstore_test`grpc::(anonymous
namespace)::CallbackAlternativeCQ::ThreadLoop(void*) + 356
frame #38: 0x0000000100a650b8 grpc_kvstore_test`grpc_core::(anonymous
namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void
(*)(void*), void*, bool*, grpc_core::Thread::Options
const&)::'lambda'(void*)::operator()(void*) const + 240
frame #39: 0x0000000100a64fbc grpc_kvstore_test`grpc_core::(anonymous
namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void
(*)(void*), void*, bool*, grpc_core::Thread::Options
const&)::'lambda'(void*)::__invoke(void*) + 28
frame #40: 0x0000000194f5606c libsystem_pthread.dylib`_pthread_start +
148
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