Trying to replace grpc_shutdown with grpc_shutdown_blocking turned out to be effective in fixing many test breakages. Let's fix the problem separately. Following is the test result:

Bazel RBE Debug C/C++

• exited with error code 139 or 134
  //test/core/end2end:h2_http_proxy_nosec_test@no_error_on_hotpath@poller=epoll1
  //test/cpp/end2end:xds_end2end_test@poller=epollex
  //test/cpp/end2end:xds_end2end_test@poller=poll

Bazel RBE Opt C/C++

• exited with error code 139, 132, or 134
  //test/cpp/end2end:client_lb_end2end_test@poller=epollex
  //test/cpp/end2end:grpclb_end2end_test@poller=poll
  //test/cpp/end2end:xds_end2end_test@poller=epoll1
  //test/cpp/end2end:xds_end2end_test@poller=poll
  //test/core/end2end:h2_ssl_nosec_test@retry_server_pushback_disabled@poller=poll
  //test/cpp/end2end:grpclb_end2end_test@poller=epollex
  //test/cpp/end2end:xds_end2end_test@poller=epollex

Bazel RBE ASAN C/C++

• tool failed

Bazel RBE TSAN C/C++

• exited with error code 66
  //test/core/end2end:h2_full+pipe_nosec_test@max_connection_idle@poller=epoll1
  //test/core/handshake:client_ssl@poller=epollex
  //test/cpp/client:client_channel_stress_test@poller=epollex
  //test/cpp/end2end:client_lb_end2end_test@poller=epollex
  //test/cpp/end2end:xds_end2end_test@poller=epoll1
  //test/cpp/end2end:xds_end2end_test@poller=epollex
  //test/cpp/end2end:xds_end2end_test@poller=poll

This issue/PR has been automatically marked as stale because it has not had any update (including commits, comments, labels, milestones, etc) for 30 days. It will be closed automatically if no further update occurs in 7 day. Thank you for your contributions!

Continuing by #23372