Seen in master: https://grpc-testing.appspot.com/job/gRPC_master_asanitizer_c/1107/ Also in PR: - [c_linux_asan_native.bins/asan/h2_http_proxy_nosec_test cancel_after_invoke GRPC_POLL_STRATEGY=poll](https://grpc-testing.appspot.com/job/gRPC_pull_requests_asan_c/2795/testReport/junit/(root)/c_linux_asan_native/bins_asan_h2_http_proxy_nosec_test_cancel_after_invoke_GRPC_POLL_STRATEGY_poll/) - [c_linux_asan_native.bins/asan/h2_http_proxy_nosec_test max_message_length GRPC_POLL_STRATEGY=poll-cv](https://grpc-testing.appspot.com/job/gRPC_pull_requests_asan_c/2795/testReport/junit/(root)/c_linux_asan_native/bins_asan_h2_http_proxy_nosec_test_max_message_length_GRPC_POLL_STRATEGY_poll_cv/) - [c_linux_asan_native.bins/asan/h2_http_proxy_nosec_test resource_quota_server GRPC_POLL_STRATEGY=poll-cv](https://grpc-testing.appspot.com/job/gRPC_pull_requests_asan_c/2807/testReport/junit/(root)/c_linux_asan_native/bins_asan_h2_http_proxy_nosec_test_resource_quota_server_GRPC_POLL_STRATEGY_poll_cv/) - [c_linux_asan_native.bins/asan/h2_http_proxy_nosec_test cancel_with_status GRPC_POLL_STRATEGY=poll](https://grpc-testing.appspot.com/job/gRPC_pull_requests_asan_c/2807/testReport/junit/(root)/c_linux_asan_native/bins_asan_h2_http_proxy_nosec_test_cancel_with_status_GRPC_POLL_STRATEGY_poll/) - [c_linux_asan_native.bins/asan/h2_http_proxy_test cancel_after_invoke GRPC_POLL_STRATEGY=poll](https://grpc-testing.appspot.com/job/gRPC_pull_requests_asan_c/2802/testReport/junit/(root)/c_linux_asan_native/bins_asan_h2_http_proxy_test_cancel_after_invoke_GRPC_POLL_STRATEGY_poll/) - [c_linux_asan_native.bins/asan/h2_http_proxy_test cancel_with_status GRPC_POLL_STRATEGY=poll](https://grpc-testing.appspot.com/job/gRPC_pull_requests_asan_c/2802/testReport/junit/(root)/c_linux_asan_native/bins_asan_h2_http_proxy_test_cancel_with_status_GRPC_POLL_STRATEGY_poll/) - [c_linux_asan_native.bins/asan/h2_http_proxy_test max_message_length GRPC_POLL_STRATEGY=poll-cv](https://grpc-testing.appspot.com/job/gRPC_pull_requests_asan_c/2799/testReport/junit/(root)/c_linux_asan_native/bins_asan_h2_http_proxy_test_max_message_length_GRPC_POLL_STRATEGY_poll_cv/)