Fix tests to call grpc_init and grpc_shutdown before using exec_ctx

include/grpc/impl/codegen/port_platform.h

@@ -182,7 +182,7 @@
 #ifndef _BSD_SOURCE
 #define _BSD_SOURCE
 #endif
-#define TLS_NO_SUPPORT 1
+#define TLS_NO_SUPPORT 1 /* thread-local storage not supported. Use GPR_TLS */
 #if TARGET_OS_IPHONE
 #define GPR_PLATFORM_STRING "ios"
 #define GPR_CPU_IPHONE 1

include/grpc/support/tls.h

@@ -32,6 +32,12 @@
      GPR_TLS_DECL(foo);
    Thread locals always have static scope.
 
+   Declaring a thread local class variable 'foo':
+     GPR_TLS_CLASS_DECL(foo);
+
+   Defining the thread local class variable:
+     GPR_TLS_CLASS_DEF(foo);
+
    Initializing a thread local (must be done at library initialization
    time):
      gpr_tls_init(&foo);

src/core/lib/iomgr/block_annotate.h

@@ -46,6 +46,11 @@ void gpr_thd_end_blocking_region();
     gpr_thd_end_blocking_region();              \
     grpc_core::ExecCtx::Get()->InvalidateNow(); \
   } while (0)
+#define GRPC_SCHEDULING_END_BLOCKING_REGION_NO_EXEC_CTX \
+  do {                                                  \
+    gpr_thd_end_blocking_region();                      \
+  } while (0)
+
 #else
 #define GRPC_SCHEDULING_START_BLOCKING_REGION \
   do {                                        \
@@ -54,6 +59,9 @@ void gpr_thd_end_blocking_region();
   do {                                          \
     grpc_core::ExecCtx::Get()->InvalidateNow(); \
   } while (0)
+#define GRPC_SCHEDULING_END_BLOCKING_REGION_NO_EXEC_CTX \
+  do {                                                  \
+  } while (0)
 #endif
 
 #endif /* GRPC_CORE_LIB_IOMGR_BLOCK_ANNOTATE_H */

src/core/lib/iomgr/exec_ctx.h

@@ -77,6 +77,7 @@ namespace grpc_core {
 class ExecCtx {
  public:
   /** Default Constructor */
+
   ExecCtx() : flags_(GRPC_EXEC_CTX_FLAG_IS_FINISHED) { Set(this); }
 
   /** Parameterised Constructor */
@@ -84,7 +85,6 @@ class ExecCtx {
 
   /** Destructor */
   ~ExecCtx() {
-    GPR_ASSERT(Get() == this);
     flags_ |= GRPC_EXEC_CTX_FLAG_IS_FINISHED;
     Flush();
     Set(last_exec_ctx_);

src/core/lib/iomgr/iomgr.cc

@@ -84,6 +84,8 @@ void grpc_iomgr_shutdown() {
       gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_seconds(10, GPR_TIMESPAN));
   gpr_timespec last_warning_time = gpr_now(GPR_CLOCK_REALTIME);
 
+  {
+    grpc_core::ExecCtx _local_exec_ctx(0);
     grpc_timer_manager_shutdown();
     grpc_iomgr_platform_flush();
     grpc_executor_shutdown();
@@ -119,10 +121,12 @@ void grpc_iomgr_shutdown() {
           dump_objects("LEAKED");
           abort();
         }
-      gpr_timespec short_deadline = gpr_time_add(
-          gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_millis(100, GPR_TIMESPAN));
+        gpr_timespec short_deadline =
+            gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
+                         gpr_time_from_millis(100, GPR_TIMESPAN));
         if (gpr_cv_wait(&g_rcv, &g_mu, short_deadline)) {
-        if (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), shutdown_deadline) > 0) {
+          if (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), shutdown_deadline) >
+              0) {
             if (g_root_object.next != &g_root_object) {
               gpr_log(GPR_DEBUG,
                       "Failed to free %" PRIuPTR
@@ -139,7 +143,7 @@ void grpc_iomgr_shutdown() {
     gpr_mu_unlock(&g_mu);
 
     grpc_timer_list_shutdown();
-  grpc_core::ExecCtx::Get()->Flush();
+  }
 
   /* ensure all threads have left g_mu */
   gpr_mu_lock(&g_mu);

src/core/lib/iomgr/load_file.cc

@@ -30,7 +30,6 @@
 
 grpc_error* grpc_load_file(const char* filename, int add_null_terminator,
                            grpc_slice* output) {
-  grpc_core::ExecCtx exec_ctx;
   unsigned char* contents = nullptr;
   size_t contents_size = 0;
   grpc_slice result = grpc_empty_slice();
@@ -74,6 +73,6 @@ end:
     GRPC_ERROR_UNREF(error);
     error = error_out;
   }
-  GRPC_SCHEDULING_END_BLOCKING_REGION;
+  GRPC_SCHEDULING_END_BLOCKING_REGION_NO_EXEC_CTX;
   return error;
 }

src/core/lib/surface/init.cc

@@ -153,24 +153,29 @@ void grpc_shutdown(void) {
   if (grpc_core::ExecCtx::Get()) {
     grpc_core::ExecCtx::Get()->Flush();
   }
-  grpc_core::ExecCtx _local_exec_ctx(0);
   gpr_mu_lock(&g_init_mu);
   if (--g_initializations == 0) {
+    {
+      {
+        grpc_core::ExecCtx _local_exec_ctx(0);
         grpc_executor_shutdown();
-    grpc_timer_manager_set_threading(false);  // shutdown timer_manager thread
+        grpc_timer_manager_set_threading(
+            false);  // shutdown timer_manager thread
         for (i = g_number_of_plugins; i >= 0; i--) {
           if (g_all_of_the_plugins[i].destroy != nullptr) {
             g_all_of_the_plugins[i].destroy();
           }
         }
+        grpc_mdctx_global_shutdown();
+        grpc_handshaker_factory_registry_shutdown();
+      }
       grpc_iomgr_shutdown();
       gpr_timers_global_destroy();
       grpc_tracer_shutdown();
-    grpc_mdctx_global_shutdown();
-    grpc_handshaker_factory_registry_shutdown();
       grpc_slice_intern_shutdown();
       grpc_stats_shutdown();
     }
+  }
   gpr_mu_unlock(&g_init_mu);
 }
 

test/core/backoff/backoff_test.cc

@@ -18,6 +18,7 @@
 
 #include "src/core/lib/backoff/backoff.h"
 
+#include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
@@ -174,6 +175,7 @@ static void test_jitter_backoff(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   gpr_time_init();
 
   test_constant_backoff();
@@ -181,5 +183,6 @@ int main(int argc, char** argv) {
   test_no_jitter_backoff();
   test_jitter_backoff();
 
+  grpc_shutdown();
   return 0;
 }

test/core/bad_client/tests/badreq.cc

@@ -20,6 +20,8 @@
 
 #include <string.h>
 
+#include <grpc/grpc.h>
+
 #include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
 
@@ -38,6 +40,7 @@ static void verifier(grpc_server* server, grpc_completion_queue* cq,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   /* invalid content type */
   GRPC_RUN_BAD_CLIENT_TEST(
@@ -126,5 +129,6 @@ int main(int argc, char** argv) {
       "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)",
       GRPC_BAD_CLIENT_DISCONNECT);
 
+  grpc_shutdown();
   return 0;
 }

test/core/bad_client/tests/connection_prefix.cc

@@ -30,6 +30,7 @@ static void verifier(grpc_server* server, grpc_completion_queue* cq,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   GRPC_RUN_BAD_CLIENT_TEST(verifier, nullptr, "X", 0);
   GRPC_RUN_BAD_CLIENT_TEST(verifier, nullptr, "PX", 0);
@@ -57,5 +58,7 @@ int main(int argc, char** argv) {
                            0);
   GRPC_RUN_BAD_CLIENT_TEST(verifier, nullptr, "PRI * HTTP/2.0\r\n\r\nSM\r\n\rX",
                            0);
+
+  grpc_shutdown();
   return 0;
 }

test/core/bad_client/tests/head_of_line_blocking.cc

@@ -20,6 +20,7 @@
 
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 
 #include "src/core/lib/surface/server.h"
@@ -109,6 +110,7 @@ static void addbuf(const void* data, size_t len) {
 int main(int argc, char** argv) {
   int i;
   grpc_test_init(argc, argv);
+  grpc_init();
 
 #define NUM_FRAMES 10
 #define FRAME_SIZE 1000
@@ -131,6 +133,7 @@ int main(int argc, char** argv) {
   }
   grpc_run_bad_client_test(verifier, nullptr, g_buffer, g_count, 0);
   gpr_free(g_buffer);
+  grpc_shutdown();
 
   return 0;
 }

test/core/bad_client/tests/headers.cc

@@ -34,6 +34,7 @@ static void verifier(grpc_server* server, grpc_completion_queue* cq,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   /* partial http2 header prefixes */
   GRPC_RUN_BAD_CLIENT_TEST(verifier, nullptr, PFX_STR "\x00",
@@ -335,5 +336,6 @@ int main(int argc, char** argv) {
                            "15 seconds",
                            GRPC_BAD_CLIENT_DISCONNECT);
 
+  grpc_shutdown();
   return 0;
 }

test/core/bad_client/tests/initial_settings_frame.cc

@@ -33,6 +33,7 @@ static void verifier(grpc_server* server, grpc_completion_queue* cq,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   /* various partial prefixes */
   GRPC_RUN_BAD_CLIENT_TEST(verifier, nullptr, PFX_STR "\x00",
@@ -106,5 +107,6 @@ int main(int argc, char** argv) {
                            PFX_STR ONE_SETTING_HDR "\x00\x99\x00\x00\x00\x00",
                            GRPC_BAD_CLIENT_DISCONNECT);
 
+  grpc_shutdown();
   return 0;
 }

test/core/bad_client/tests/server_registered_method.cc

@@ -77,6 +77,7 @@ static void verifier_fails(grpc_server* server, grpc_completion_queue* cq,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   /* body generated with
    * tools/codegen/core/gen_server_registered_method_bad_client_test_body.py */
@@ -123,5 +124,6 @@ int main(int argc, char** argv) {
       "\x00\x00\x07\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x02\x00\x00",
       0);
 
+  grpc_shutdown();
   return 0;
 }

test/core/bad_client/tests/simple_request.cc

@@ -20,6 +20,8 @@
 
 #include <string.h>
 
+#include <grpc/grpc.h>
+
 #include "src/core/lib/surface/server.h"
 #include "test/core/end2end/cq_verifier.h"
 
@@ -122,6 +124,7 @@ static void failure_verifier(grpc_server* server, grpc_completion_queue* cq,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   /* basic request: check that things are working */
   GRPC_RUN_BAD_CLIENT_TEST(verifier, nullptr, PFX_STR, 0);
@@ -164,5 +167,6 @@ int main(int argc, char** argv) {
   GRPC_RUN_BAD_CLIENT_TEST(failure_verifier, nullptr,
                            PFX_STR "\x00\x00\x00\x03\x10\x00\x00\x00\x01", 0);
 
+  grpc_shutdown();
   return 0;
 }

test/core/bad_client/tests/unknown_frame.cc

@@ -33,6 +33,7 @@ static void verifier(grpc_server* server, grpc_completion_queue* cq,
 }
 
 int main(int argc, char** argv) {
+  grpc_init();
   grpc_test_init(argc, argv);
 
   /* test adding prioritization data */
@@ -40,5 +41,6 @@ int main(int argc, char** argv) {
                            PFX_STR "\x00\x00\x00\x88\x00\x00\x00\x00\x01",
                            GRPC_BAD_CLIENT_DISCONNECT);
 
+  grpc_shutdown();
   return 0;
 }

test/core/bad_client/tests/window_overflow.cc

@@ -20,6 +20,7 @@
 
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 
 #include "src/core/lib/surface/server.h"
@@ -72,6 +73,7 @@ int main(int argc, char** argv) {
 #define SEND_SIZE (6 * 1024 * 1024)
 #define NUM_FRAMES (SEND_SIZE / FRAME_SIZE + 1)
   grpc_test_init(argc, argv);
+  grpc_init();
 
   addbuf(PFX_STR, sizeof(PFX_STR) - 1);
   for (i = 0; i < NUM_FRAMES; i++) {
@@ -93,6 +95,7 @@ int main(int argc, char** argv) {
   grpc_run_bad_client_test(verifier, nullptr, g_buffer, g_count,
                            GRPC_BAD_CLIENT_LARGE_REQUEST);
   gpr_free(g_buffer);
+  grpc_shutdown();
 
   return 0;
 }

test/core/client_channel/parse_address_test.cc

@@ -24,6 +24,7 @@
 #include <sys/un.h>
 #endif
 
+#include <grpc/grpc.h>
 #include <grpc/support/log.h>
 
 #include "src/core/lib/iomgr/exec_ctx.h"
@@ -90,9 +91,12 @@ static void test_grpc_parse_ipv6(const char* uri_text, const char* host,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   test_grpc_parse_unix("unix:/path/name", "/path/name");
   test_grpc_parse_ipv4("ipv4:192.0.2.1:12345", "192.0.2.1", 12345);
   test_grpc_parse_ipv6("ipv6:[2001:db8::1]:12345", "2001:db8::1", 12345, 0);
   test_grpc_parse_ipv6("ipv6:[2001:db8::1%252]:12345", "2001:db8::1", 12345, 2);
+
+  grpc_shutdown();
 }

test/core/client_channel/resolvers/dns_resolver_connectivity_test.cc

@@ -147,6 +147,7 @@ int main(int argc, char** argv) {
   grpc_dns_lookup_ares = my_dns_lookup_ares;
   grpc_channel_args* result = (grpc_channel_args*)1;
 
+  {
     grpc_core::ExecCtx _local_exec_ctx;
     grpc_resolver* resolver = create_resolver("dns:test");
     gpr_event ev1;
@@ -170,6 +171,7 @@ int main(int argc, char** argv) {
     grpc_channel_args_destroy(result);
     GRPC_RESOLVER_UNREF(resolver, "test");
     GRPC_COMBINER_UNREF(g_combiner, "test");
+  }
 
   grpc_shutdown();
   gpr_mu_destroy(&g_mu);

test/core/client_channel/uri_fuzzer_test.cc

@@ -20,6 +20,7 @@
 #include <stdint.h>
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 
 #include "src/core/ext/filters/client_channel/uri_parser.h"
@@ -33,6 +34,9 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   memcpy(s, data, size);
   s[size] = 0;
 
+  grpc_init();
+
+  {
     grpc_core::ExecCtx _local_exec_ctx;
     grpc_uri* x;
     if ((x = grpc_uri_parse(s, 1))) {
@@ -40,5 +44,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     }
 
     gpr_free(s);
+  }
+
+  grpc_shutdown();
   return 0;
 }

test/core/client_channel/uri_parser_test.cc

@@ -20,6 +20,7 @@
 
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/support/log.h>
 
 #include "src/core/lib/iomgr/exec_ctx.h"
@@ -119,6 +120,7 @@ static void test_query_parts() {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_succeeds("http://www.google.com", "http", "www.google.com", "", "", "");
   test_succeeds("dns:///foo", "dns", "", "/foo", "", "");
   test_succeeds("http://www.google.com:90", "http", "www.google.com:90", "", "",
@@ -146,5 +148,6 @@ int main(int argc, char** argv) {
   test_fails("http://foo?bar#lol#");
 
   test_query_parts();
+  grpc_shutdown();
   return 0;
 }

test/core/end2end/bad_server_response_test.cc

@@ -298,6 +298,7 @@ static void run_test(const char* response_payload,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   /* status defined in hpack static table */
   run_test(HTTP2_RESP(204), sizeof(HTTP2_RESP(204)) - 1, GRPC_STATUS_CANCELLED,
@@ -336,5 +337,6 @@ int main(int argc, char** argv) {
   run_test(HTTP1_RESP, sizeof(HTTP1_RESP) - 1, GRPC_STATUS_UNAVAILABLE,
            HTTP1_DETAIL_MSG);
 
+  grpc_shutdown();
   return 0;
 }

test/core/end2end/fixtures/h2_sockpair+trace.cc

@@ -126,7 +126,6 @@ static grpc_end2end_test_config configs[] = {
 
 int main(int argc, char** argv) {
   size_t i;
-  grpc_core::ExecCtx _local_exec_ctx;
 
   /* force tracing on, with a value to force many
      code paths in trace.c to be taken */

test/core/end2end/fuzzers/api_fuzzer.cc

@@ -745,8 +745,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   input_stream inp = {data, data + size};
   grpc_tcp_client_connect_impl = my_tcp_client_connect;
   gpr_now_impl = now_impl;
-  grpc_init();
   grpc_timer_manager_set_threading(false);
+  grpc_init();
   {
     grpc_core::ExecCtx _local_exec_ctx;
     grpc_executor_set_threading(false);

test/core/end2end/fuzzers/client_fuzzer.cc

@@ -43,6 +43,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   if (squelch) gpr_set_log_function(dont_log);
   if (leak_check) grpc_memory_counters_init();
   grpc_init();
+  {
     grpc_core::ExecCtx _local_exec_ctx;
     grpc_executor_set_threading(false);
 
@@ -85,7 +86,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     op->reserved = nullptr;
     op++;
     op->op = GRPC_OP_RECV_INITIAL_METADATA;
-  op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
+    op->data.recv_initial_metadata.recv_initial_metadata =
+        &initial_metadata_recv;
     op->flags = 0;
     op->reserved = nullptr;
     op++;
@@ -125,7 +127,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
       }
     }
 
-done:
+  done:
     if (requested_calls) {
       grpc_call_cancel(call, nullptr);
     }
@@ -149,6 +151,7 @@ done:
     if (response_payload_recv != nullptr) {
       grpc_byte_buffer_destroy(response_payload_recv);
     }
+  }
   grpc_shutdown();
   if (leak_check) {
     counters = grpc_memory_counters_snapshot();

test/core/end2end/fuzzers/server_fuzzer.cc

@@ -41,6 +41,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   if (squelch) gpr_set_log_function(dont_log);
   if (leak_check) grpc_memory_counters_init();
   grpc_init();
+  {
     grpc_core::ExecCtx _local_exec_ctx;
     grpc_executor_set_threading(false);
 
@@ -96,7 +97,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
       }
     }
 
-done:
+  done:
     if (call1 != nullptr) grpc_call_unref(call1);
     grpc_call_details_destroy(&call_details1);
     grpc_metadata_array_destroy(&request_metadata1);
@@ -115,6 +116,7 @@ done:
     }
     grpc_server_destroy(server);
     grpc_completion_queue_destroy(cq);
+  }
   grpc_shutdown();
   if (leak_check) {
     counters = grpc_memory_counters_snapshot();

test/core/http/format_request_test.cc

@@ -139,11 +139,13 @@ static void test_format_post_request_content_type_override(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   test_format_get_request();
   test_format_post_request();
   test_format_post_request_no_body();
   test_format_post_request_content_type_override();
 
+  grpc_shutdown();
   return 0;
 }

test/core/http/httpcli_test.cc

@@ -141,9 +141,12 @@ static void destroy_pops(void* p, grpc_error* error) {
 }
 
 int main(int argc, char** argv) {
+  gpr_subprocess* server;
+  grpc_test_init(argc, argv);
+  grpc_init();
+  {
     grpc_closure destroyed;
     grpc_core::ExecCtx _local_exec_ctx;
-  gpr_subprocess* server;
     char* me = argv[0];
     char* lslash = strrchr(me, '/');
     char* args[4];
@@ -181,8 +184,6 @@ int main(int argc, char** argv) {
     gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                                  gpr_time_from_seconds(5, GPR_TIMESPAN)));
 
-  grpc_test_init(argc, argv);
-  grpc_init();
     grpc_httpcli_context_init(&g_context);
     grpc_pollset* pollset =
         static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
@@ -196,7 +197,7 @@ int main(int argc, char** argv) {
     GRPC_CLOSURE_INIT(&destroyed, destroy_pops, &g_pops,
                       grpc_schedule_on_exec_ctx);
     grpc_pollset_shutdown(grpc_polling_entity_pollset(&g_pops), &destroyed);
-
+  }
   grpc_shutdown();
 
   gpr_free(grpc_polling_entity_pollset(&g_pops));

test/core/http/httpscli_test.cc

@@ -195,11 +195,12 @@ int main(int argc, char** argv) {
   test_get(port);
   test_post(port);
 
+  {
     grpc_httpcli_context_destroy(&g_context);
     GRPC_CLOSURE_INIT(&destroyed, destroy_pops, &g_pops,
                       grpc_schedule_on_exec_ctx);
     grpc_pollset_shutdown(grpc_polling_entity_pollset(&g_pops), &destroyed);
-
+  }
   grpc_shutdown();
 
   gpr_free(grpc_polling_entity_pollset(&g_pops));

test/core/http/parser_test.cc

@@ -21,6 +21,7 @@
 #include <stdarg.h>
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
@@ -217,6 +218,7 @@ int main(int argc, char** argv) {
   char *tmp1, *tmp2;
 
   grpc_test_init(argc, argv);
+  grpc_init();
 
   for (i = 0; i < GPR_ARRAY_SIZE(split_modes); i++) {
     test_succeeds(split_modes[i],
@@ -300,5 +302,6 @@ int main(int argc, char** argv) {
     gpr_free(tmp2);
   }
 
+  grpc_shutdown();
   return 0;
 }

test/core/iomgr/endpoint_pair_test.cc

@@ -59,16 +59,17 @@ static void destroy_pollset(void* p, grpc_error* error) {
 
 int main(int argc, char** argv) {
   grpc_closure destroyed;
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_test_init(argc, argv);
   grpc_init();
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     g_pollset = static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
     grpc_pollset_init(g_pollset, &g_mu);
     grpc_endpoint_tests(configs[0], g_pollset, g_mu);
     GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                       grpc_schedule_on_exec_ctx);
     grpc_pollset_shutdown(g_pollset, &destroyed);
-
+  }
   grpc_shutdown();
   gpr_free(g_pollset);
 

test/core/iomgr/ev_epollsig_linux_test.cc

@@ -301,6 +301,7 @@ int main(int argc, char** argv) {
   const char* poll_strategy = nullptr;
   grpc_test_init(argc, argv);
   grpc_init();
+  {
     grpc_core::ExecCtx _local_exec_ctx;
 
     poll_strategy = grpc_get_poll_strategy_name();
@@ -313,6 +314,7 @@ int main(int argc, char** argv) {
               "strategy. and the current strategy is: '%s'",
               poll_strategy);
     }
+  }
 
   grpc_shutdown();
   return 0;

test/core/iomgr/fd_conservation_posix_test.cc

@@ -31,6 +31,7 @@ int main(int argc, char** argv) {
 
   grpc_test_init(argc, argv);
   grpc_init();
+  {
     grpc_core::ExecCtx _local_exec_ctx;
 
     /* set max # of file descriptors to a low value, and
@@ -49,6 +50,7 @@ int main(int argc, char** argv) {
     }
 
     grpc_resource_quota_unref(resource_quota);
+  }
 
   grpc_shutdown();
   return 0;

test/core/iomgr/fd_posix_test.cc

@@ -513,9 +513,10 @@ static void destroy_pollset(void* p, grpc_error* error) {
 
 int main(int argc, char** argv) {
   grpc_closure destroyed;
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_test_init(argc, argv);
   grpc_init();
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     g_pollset = static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
     grpc_pollset_init(g_pollset, &g_mu);
     test_grpc_fd();
@@ -525,7 +526,7 @@ int main(int argc, char** argv) {
     grpc_pollset_shutdown(g_pollset, &destroyed);
     grpc_core::ExecCtx::Get()->Flush();
     gpr_free(g_pollset);
-
+  }
   grpc_shutdown();
   return 0;
 }

test/core/iomgr/load_file_test.cc

@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/slice.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -152,9 +153,11 @@ static void test_load_big_file(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_load_empty_file();
   test_load_failure();
   test_load_small_file();
   test_load_big_file();
+  grpc_shutdown();
   return 0;
 }

test/core/iomgr/pollset_set_test.cc

@@ -421,9 +421,10 @@ void pollset_set_test_empty_pollset() {
 }
 
 int main(int argc, char** argv) {
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_test_init(argc, argv);
   grpc_init();
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     const char* poll_strategy = grpc_get_poll_strategy_name();
 
     if (poll_strategy != nullptr &&
@@ -438,7 +439,7 @@ int main(int argc, char** argv) {
               "strategy. and the current strategy is: '%s'",
               poll_strategy);
     }
-
+  }
   grpc_shutdown();
   return 0;
 }

test/core/iomgr/resolve_address_posix_test.cc

@@ -156,10 +156,12 @@ static void test_unix_socket_path_name_too_long(void) {
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
   grpc_init();
+
+  {
     grpc_core::ExecCtx _local_exec_ctx;
     test_unix_socket();
     test_unix_socket_path_name_too_long();
-  grpc_executor_shutdown();
+  }
 
   grpc_shutdown();
   return 0;

test/core/iomgr/resolve_address_test.cc

@@ -242,6 +242,7 @@ static void test_unparseable_hostports(void) {
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
   grpc_init();
+  {
     grpc_core::ExecCtx _local_exec_ctx;
     test_localhost();
     test_default_port();
@@ -252,6 +253,7 @@ int main(int argc, char** argv) {
     test_invalid_ip_addresses();
     test_unparseable_hostports();
     grpc_executor_shutdown();
+  }
 
   grpc_shutdown();
   return 0;

test/core/iomgr/tcp_client_posix_test.cc

@@ -188,9 +188,11 @@ static void destroy_pollset(void* p, grpc_error* error) {
 
 int main(int argc, char** argv) {
   grpc_closure destroyed;
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_test_init(argc, argv);
   grpc_init();
+
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     g_pollset_set = grpc_pollset_set_create();
     g_pollset = static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
     grpc_pollset_init(g_pollset, &g_mu);
@@ -203,6 +205,7 @@ int main(int argc, char** argv) {
     GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                       grpc_schedule_on_exec_ctx);
     grpc_pollset_shutdown(g_pollset, &destroyed);
+  }
 
   grpc_shutdown();
   gpr_free(g_pollset);

test/core/iomgr/tcp_posix_test.cc

@@ -538,9 +538,10 @@ static void destroy_pollset(void* p, grpc_error* error) {
 
 int main(int argc, char** argv) {
   grpc_closure destroyed;
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_test_init(argc, argv);
   grpc_init();
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     g_pollset = (grpc_pollset*)gpr_zalloc(grpc_pollset_size());
     grpc_pollset_init(g_pollset, &g_mu);
     grpc_endpoint_tests(configs[0], g_pollset, g_mu);
@@ -550,6 +551,7 @@ int main(int argc, char** argv) {
     grpc_pollset_shutdown(g_pollset, &destroyed);
 
     grpc_core::ExecCtx::Get()->Flush();
+  }
   grpc_shutdown();
   gpr_free(g_pollset);
 

test/core/iomgr/tcp_server_posix_test.cc

@@ -423,7 +423,6 @@ static void destroy_pollset(void* p, grpc_error* error) {
 
 int main(int argc, char** argv) {
   grpc_closure destroyed;
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_arg chan_args[1];
   chan_args[0].type = GRPC_ARG_INTEGER;
   chan_args[0].key = const_cast<char*>(GRPC_ARG_EXPAND_WILDCARD_ADDRS);
@@ -436,6 +435,8 @@ int main(int argc, char** argv) {
       static_cast<test_addrs*>(gpr_zalloc(sizeof(*dst_addrs)));
   grpc_test_init(argc, argv);
   grpc_init();
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     g_pollset = static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
     grpc_pollset_init(g_pollset, &g_mu);
 
@@ -454,7 +455,8 @@ int main(int argc, char** argv) {
       if (ifa_it->ifa_addr == nullptr) {
         continue;
       } else if (ifa_it->ifa_addr->sa_family == AF_INET) {
-      dst_addrs->addrs[dst_addrs->naddrs].addr.len = sizeof(struct sockaddr_in);
+        dst_addrs->addrs[dst_addrs->naddrs].addr.len =
+            sizeof(struct sockaddr_in);
       } else if (ifa_it->ifa_addr->sa_family == AF_INET6) {
         dst_addrs->addrs[dst_addrs->naddrs].addr.len =
             sizeof(struct sockaddr_in6);
@@ -487,7 +489,7 @@ int main(int argc, char** argv) {
     GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                       grpc_schedule_on_exec_ctx);
     grpc_pollset_shutdown(g_pollset, &destroyed);
-
+  }
   grpc_shutdown();
   gpr_free(dst_addrs);
   gpr_free(g_pollset);

test/core/iomgr/timer_list_test.cc

@@ -25,6 +25,7 @@
 
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include "src/core/lib/debug/trace.h"
 #include "test/core/util/test_config.h"
@@ -151,9 +152,11 @@ void destruction_test(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_core::ExecCtx::GlobalInit();
   gpr_set_log_verbosity(GPR_LOG_SEVERITY_DEBUG);
   add_test();
   destruction_test();
+  grpc_core::ExecCtx::GlobalShutdown();
   return 0;
 }
 

test/core/iomgr/udp_server_test.cc

@@ -291,9 +291,10 @@ static void destroy_pollset(void* p, grpc_error* error) {
 
 int main(int argc, char** argv) {
   grpc_closure destroyed;
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_test_init(argc, argv);
   grpc_init();
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     g_pollset = static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
     grpc_pollset_init(g_pollset, &g_mu);
 
@@ -310,6 +311,7 @@ int main(int argc, char** argv) {
     grpc_pollset_shutdown(g_pollset, &destroyed);
     grpc_core::ExecCtx::Get()->Flush();
     gpr_free(g_pollset);
+  }
   grpc_shutdown();
   return 0;
 }

test/core/security/json_token_test.cc

@@ -483,6 +483,7 @@ static void test_parse_refresh_token_failure_no_refresh_token(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_parse_json_key_success();
   test_parse_json_key_failure_bad_json();
   test_parse_json_key_failure_no_type();
@@ -497,5 +498,6 @@ int main(int argc, char** argv) {
   test_parse_refresh_token_failure_no_client_id();
   test_parse_refresh_token_failure_no_client_secret();
   test_parse_refresh_token_failure_no_refresh_token();
+  grpc_shutdown();
   return 0;
 }

test/core/security/secure_endpoint_test.cc

@@ -205,10 +205,11 @@ static void destroy_pollset(void* p, grpc_error* error) {
 
 int main(int argc, char** argv) {
   grpc_closure destroyed;
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_test_init(argc, argv);
-
   grpc_init();
+
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     g_pollset = (grpc_pollset*)gpr_zalloc(grpc_pollset_size());
     grpc_pollset_init(g_pollset, &g_mu);
     grpc_endpoint_tests(configs[0], g_pollset, g_mu);
@@ -218,6 +219,7 @@ int main(int argc, char** argv) {
     GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                       grpc_schedule_on_exec_ctx);
     grpc_pollset_shutdown(g_pollset, &destroyed);
+  }
 
   grpc_shutdown();
 

test/core/security/ssl_server_fuzzer.cc

@@ -55,6 +55,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   if (squelch) gpr_set_log_function(dont_log);
   if (leak_check) grpc_memory_counters_init();
   grpc_init();
+  {
     grpc_core::ExecCtx _local_exec_ctx;
 
     grpc_resource_quota* resource_quota =
@@ -73,8 +74,10 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     cert_slice = grpc_slice_from_static_string(test_server1_cert);
     key_slice = grpc_slice_from_static_string(test_server1_key);
     const char* ca_cert = (const char*)GRPC_SLICE_START_PTR(ca_slice);
-  pem_key_cert_pair.private_key = (const char*)GRPC_SLICE_START_PTR(key_slice);
-  pem_key_cert_pair.cert_chain = (const char*)GRPC_SLICE_START_PTR(cert_slice);
+    pem_key_cert_pair.private_key =
+        (const char*)GRPC_SLICE_START_PTR(key_slice);
+    pem_key_cert_pair.cert_chain =
+        (const char*)GRPC_SLICE_START_PTR(cert_slice);
     grpc_server_credentials* creds = grpc_ssl_server_credentials_create(
         ca_cert, &pem_key_cert_pair, 1, 0, nullptr);
 
@@ -95,11 +98,12 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     grpc_core::ExecCtx::Get()->Flush();
 
     // If the given string happens to be part of the correct client hello, the
-  // server will wait for more data. Explicitly fail the server by shutting down
-  // the endpoint.
+    // server will wait for more data. Explicitly fail the server by shutting
+    // down the endpoint.
     if (!state.done_callback_called) {
       grpc_endpoint_shutdown(
-        mock_endpoint, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Explicit close"));
+          mock_endpoint,
+          GRPC_ERROR_CREATE_FROM_STATIC_STRING("Explicit close"));
       grpc_core::ExecCtx::Get()->Flush();
     }
 
@@ -112,6 +116,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     grpc_slice_unref(key_slice);
     grpc_slice_unref(ca_slice);
     grpc_core::ExecCtx::Get()->Flush();
+  }
 
   grpc_shutdown();
   if (leak_check) {

test/core/slice/b64_test.cc

@@ -20,6 +20,7 @@
 
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/slice.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
@@ -201,6 +202,7 @@ static void test_unpadded_decode(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_simple_encode_decode_b64_no_multiline();
   test_simple_encode_decode_b64_multiline();
   test_simple_encode_decode_b64_urlsafe_no_multiline();
@@ -212,5 +214,6 @@ int main(int argc, char** argv) {
   test_url_safe_unsafe_mismatch_failure();
   test_rfc4648_test_vectors();
   test_unpadded_decode();
+  grpc_shutdown();
   return 0;
 }

test/core/slice/percent_encoding_test.cc

@@ -18,6 +18,7 @@
 
 #include "src/core/lib/slice/percent_encoding.h"
 
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
@@ -118,6 +119,7 @@ static void test_nonconformant_vector(const char* encoded,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   TEST_VECTOR(
       "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~",
       "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~",
@@ -140,5 +142,6 @@ int main(int argc, char** argv) {
                             grpc_url_percent_encoding_unreserved_bytes);
   TEST_NONCONFORMANT_VECTOR("\0", "\0",
                             grpc_url_percent_encoding_unreserved_bytes);
+  grpc_shutdown();
   return 0;
 }

test/core/slice/slice_buffer_test.cc

@@ -16,6 +16,7 @@
  *
  */
 
+#include <grpc/grpc.h>
 #include <grpc/slice_buffer.h>
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
@@ -106,9 +107,11 @@ void test_slice_buffer_move_first() {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   test_slice_buffer_add();
   test_slice_buffer_move_first();
 
+  grpc_shutdown();
   return 0;
 }

test/core/slice/slice_hash_table_test.cc

@@ -231,8 +231,10 @@ static void test_slice_hash_table_not_eq() {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_core::ExecCtx::GlobalInit();
   test_slice_hash_table();
   test_slice_hash_table_eq();
   test_slice_hash_table_not_eq();
+  grpc_core::ExecCtx::GlobalShutdown();
   return 0;
 }

test/core/slice/slice_string_helpers_test.cc

@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
@@ -130,7 +131,9 @@ static void test_strsplit(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_dump_slice();
   test_strsplit();
+  grpc_shutdown();
   return 0;
 }

test/core/slice/slice_test.cc

@@ -292,6 +292,7 @@ static void test_static_slice_copy_interning(void) {
 int main(int argc, char** argv) {
   unsigned length;
   grpc_test_init(argc, argv);
+  grpc_init();
   test_slice_malloc_returns_something_sensible();
   test_slice_new_returns_something_sensible();
   test_slice_new_with_user_data();
@@ -305,5 +306,6 @@ int main(int argc, char** argv) {
   test_slice_interning();
   test_static_slice_interning();
   test_static_slice_copy_interning();
+  grpc_shutdown();
   return 0;
 }

test/core/surface/byte_buffer_reader_test.cc

@@ -265,6 +265,7 @@ static void test_byte_buffer_copy(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_read_one_slice();
   test_read_one_slice_malloc();
   test_read_none_compressed_slice();
@@ -274,5 +275,6 @@ int main(int argc, char** argv) {
   test_byte_buffer_from_reader();
   test_byte_buffer_copy();
   test_readall();
+  grpc_shutdown();
   return 0;
 }

test/core/surface/concurrent_connectivity_test.cc

@@ -224,10 +224,12 @@ int run_concurrent_connectivity_test() {
 
   gpr_atm_rel_store(&args.stop, 1);
   gpr_thd_join(server);
+  {
     grpc_core::ExecCtx _local_exec_ctx;
-  grpc_pollset_shutdown(args.pollset,
-                        GRPC_CLOSURE_CREATE(done_pollset_shutdown, args.pollset,
+    grpc_pollset_shutdown(
+        args.pollset, GRPC_CLOSURE_CREATE(done_pollset_shutdown, args.pollset,
                                           grpc_schedule_on_exec_ctx));
+  }
 
   grpc_shutdown();
   return 0;

test/core/transport/byte_stream_test.cc

@@ -18,6 +18,7 @@
 
 #include "src/core/lib/transport/byte_stream.h"
 
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
@@ -253,11 +254,13 @@ static void test_caching_byte_stream_shared_cache(void) {
 }
 
 int main(int argc, char** argv) {
+  grpc_init();
   grpc_test_init(argc, argv);
   test_slice_buffer_stream_basic();
   test_slice_buffer_stream_shutdown();
   test_caching_byte_stream_basic();
   test_caching_byte_stream_reset();
   test_caching_byte_stream_shared_cache();
+  grpc_shutdown();
   return 0;
 }

test/core/transport/chttp2/bin_decoder_test.cc

@@ -20,6 +20,7 @@
 
 #include <string.h>
 
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
@@ -76,6 +77,8 @@ static grpc_slice base64_decode_with_length(const char* s,
       s, grpc_chttp2_base64_decode_with_length(base64_encode(s), strlen(s)));
 
 int main(int argc, char** argv) {
+  grpc_init();
+  {
     grpc_core::ExecCtx _local_exec_ctx;
 
     /* ENCODE_AND_DECODE tests grpc_chttp2_base64_decode_with_length(), which
@@ -128,6 +131,7 @@ int main(int argc, char** argv) {
     // Test illegal charactors in grpc_chttp2_base64_decode_with_length
     EXPECT_SLICE_EQ("", base64_decode_with_length("Zm:v", 3));
     EXPECT_SLICE_EQ("", base64_decode_with_length("Zm=v", 3));
-
+  }
+  grpc_shutdown();
   return all_ok ? 0 : 1;
 }

test/core/transport/chttp2/bin_encoder_test.cc

@@ -99,6 +99,8 @@ static void expect_binary_header(const char* hdr, int binary) {
 }
 
 int main(int argc, char** argv) {
+  grpc_init();
+
   /* Base64 test vectors from RFC 4648, with padding removed */
   /* BASE64("") = "" */
   EXPECT_SLICE_EQ("", B64(""));
@@ -169,5 +171,6 @@ int main(int argc, char** argv) {
   expect_binary_header("foo-bar", 0);
   expect_binary_header("-bin", 0);
 
+  grpc_shutdown();
   return all_ok ? 0 : 1;
 }

test/core/transport/chttp2/hpack_parser_fuzzer_test.cc

@@ -37,13 +37,14 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   if (squelch) gpr_set_log_function(dont_log);
   grpc_init();
   grpc_chttp2_hpack_parser parser;
+  {
     grpc_core::ExecCtx _local_exec_ctx;
     grpc_chttp2_hpack_parser_init(&parser);
     parser.on_header = onhdr;
     GRPC_ERROR_UNREF(grpc_chttp2_hpack_parser_parse(
         &parser, grpc_slice_from_static_buffer(data, size)));
     grpc_chttp2_hpack_parser_destroy(&parser);
-
+  }
   grpc_shutdown();
   return 0;
 }

test/core/transport/chttp2/varint_test.cc

@@ -18,6 +18,7 @@
 
 #include "src/core/ext/transport/chttp2/transport/varint.h"
 
+#include <grpc/grpc.h>
 #include <grpc/slice.h>
 #include <grpc/support/log.h>
 
@@ -44,11 +45,13 @@ static void test_varint(uint32_t value, uint32_t prefix_bits, uint8_t prefix_or,
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   TEST_VARINT(0, 1, 0, "\x00");
   TEST_VARINT(128, 1, 0, "\x7f\x01");
   TEST_VARINT(16384, 1, 0, "\x7f\x81\x7f");
   TEST_VARINT(2097152, 1, 0, "\x7f\x81\xff\x7f");
   TEST_VARINT(268435456, 1, 0, "\x7f\x81\xff\xff\x7f");
   TEST_VARINT(0xffffffff, 1, 0, "\x7f\x80\xff\xff\xff\x0f");
+  grpc_shutdown();
   return 0;
 }

test/core/transport/connectivity_state_test.cc

@@ -134,11 +134,13 @@ static void test_subscribe_with_failure_then_destroy(void) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   grpc_core::testing::grpc_tracer_enable_flag(&grpc_connectivity_state_trace);
   test_connectivity_state_name();
   test_check();
   test_subscribe_then_unsubscribe();
   test_subscribe_then_destroy();
   test_subscribe_with_failure_then_destroy();
+  grpc_shutdown();
   return 0;
 }

test/core/transport/metadata_test.cc

@@ -369,6 +369,7 @@ static void test_copied_static_metadata(bool dup_key, bool dup_value) {
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
   test_no_op();
   for (int k = 0; k <= 1; k++) {
     for (int v = 0; v <= 1; v++) {
@@ -383,5 +384,6 @@ int main(int argc, char** argv) {
   test_create_many_persistant_metadata();
   test_things_stick_around();
   test_user_data_works();
+  grpc_shutdown();
   return 0;
 }

test/core/transport/stream_owned_slice_test.cc

@@ -20,12 +20,14 @@
 
 #include "test/core/util/test_config.h"
 
+#include <grpc/grpc.h>
 #include <grpc/support/log.h>
 
 static void do_nothing(void* arg, grpc_error* error) {}
 
 int main(int argc, char** argv) {
   grpc_test_init(argc, argv);
+  grpc_init();
 
   uint8_t buffer[] = "abc123";
   grpc_stream_refcount r;
@@ -39,5 +41,6 @@ int main(int argc, char** argv) {
   grpc_slice_unref(slice);
   GPR_ASSERT(r.refs.count == 1);
 
+  grpc_shutdown();
   return 0;
 }

test/core/util/one_corpus_entry_fuzzer.cc

@@ -18,7 +18,10 @@
 
 #include <stdbool.h>
 
+#include <grpc/grpc.h>
+
 #include <grpc/support/log.h>
+#include "src/core/lib/iomgr/exec_ctx.h"
 #include "src/core/lib/iomgr/load_file.h"
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
@@ -30,10 +33,17 @@ int main(int argc, char** argv) {
   grpc_slice buffer;
   squelch = false;
   leak_check = false;
+  /* TODO(yashkt) Calling grpc_init breaks tests. Fix the tests and replace
+   * grpc_core::ExecCtx::GlobalInit with grpc_init and GlobalShutdown with
+   * grpc_shutdown */
+  grpc_core::ExecCtx::GlobalInit();
   GPR_ASSERT(
       GRPC_LOG_IF_ERROR("load_file", grpc_load_file(argv[1], 0, &buffer)));
   LLVMFuzzerTestOneInput(GRPC_SLICE_START_PTR(buffer),
                          GRPC_SLICE_LENGTH(buffer));
+  grpc_core::ExecCtx::GlobalShutdown();
+  grpc_core::ExecCtx::GlobalInit();
   grpc_slice_unref(buffer);
+  grpc_core::ExecCtx::GlobalShutdown();
   return 0;
 }

test/core/util/port_server_client.cc

@@ -194,11 +194,11 @@ int grpc_pick_port_using_server(void) {
   grpc_httpcli_context context;
   grpc_httpcli_request req;
   portreq pr;
-  grpc_core::ExecCtx _local_exec_ctx;
   grpc_closure* shutdown_closure;
 
   grpc_init();
-
+  {
+    grpc_core::ExecCtx _local_exec_ctx;
     memset(&pr, 0, sizeof(pr));
     memset(&req, 0, sizeof(req));
     grpc_pollset* pollset = (grpc_pollset*)gpr_zalloc(grpc_pollset_size());
@@ -216,10 +216,10 @@ int grpc_pick_port_using_server(void) {
     grpc_httpcli_context_init(&context);
     grpc_resource_quota* resource_quota =
         grpc_resource_quota_create("port_server_client/pick");
-  grpc_httpcli_get(
-      &context, &pr.pops, resource_quota, &req,
+    grpc_httpcli_get(&context, &pr.pops, resource_quota, &req,
                      grpc_core::ExecCtx::Get()->Now() + 30 * GPR_MS_PER_SEC,
-      GRPC_CLOSURE_CREATE(got_port_from_server, &pr, grpc_schedule_on_exec_ctx),
+                     GRPC_CLOSURE_CREATE(got_port_from_server, &pr,
+                                         grpc_schedule_on_exec_ctx),
                      &pr.response);
     grpc_resource_quota_unref_internal(resource_quota);
     grpc_core::ExecCtx::Get()->Flush();
@@ -242,6 +242,7 @@ int grpc_pick_port_using_server(void) {
                           shutdown_closure);
 
     grpc_core::ExecCtx::Get()->Flush();
+  }
   grpc_shutdown();
 
   return pr.port;