[fuzzer] Increase timeouts to accommodate delayed callbacks (#33271)

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3 files changed, 44 insertions, 4 deletions

diff --git a/test/core/end2end/end2end_test_corpus/clusterfuzz-testcase-minimized-core_end2end_test_fuzzer-6414039584407552.test b/test/core/end2end/end2end_test_corpus/clusterfuzz-testcase-minimized-core_end2end_test_fuzzer-6414039584407552.test
new file mode 100644
index 0000000000..5ae860513f
--- /dev/null
+++ b/test/core/end2end/end2end_test_corpus/clusterfuzz-testcase-minimized-core_end2end_test_fuzzer-6414039584407552.test
@@ -0,0 +1,35 @@
+test_id: 2057
+event_engine_actions {
+  run_delay: 0
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+  run_delay: 4143972352
+}
diff --git a/test/core/end2end/end2end_tests.h b/test/core/end2end/end2end_tests.h
index f68c9580b5..b5b5ed528b 100644
--- a/test/core/end2end/end2end_tests.h
+++ b/test/core/end2end/end2end_tests.h
@@ -85,6 +85,9 @@
 #define FAIL_AUTH_CHECK_SERVER_ARG_NAME "fail_auth_check"
 
 namespace grpc_core {
+
+extern bool g_is_fuzzing_core_e2e_tests;
+
 class CoreTestFixture {
  public:
   virtual ~CoreTestFixture() = default;
@@ -567,7 +570,10 @@ class CoreEnd2endTest : public ::testing::Test {
       return;
     }
     expectations_ = 0;
-    cq_verifier().Verify(timeout.value_or(Duration::Seconds(10)), whence);
+    cq_verifier().Verify(
+        timeout.value_or(g_is_fuzzing_core_e2e_tests ? Duration::Minutes(10)
+                                                     : Duration::Seconds(10)),
+        whence);
   }
 
   // Initialize the client.
@@ -797,8 +803,6 @@ class CoreEnd2endTestRegistry {
       tests_by_suite_;
 };
 
-extern bool g_is_fuzzing_core_e2e_tests;
-
 }  // namespace grpc_core
 
 // If this test fixture is being run under minstack, skip the test.
diff --git a/test/core/end2end/tests/compressed_payload.cc b/test/core/end2end/tests/compressed_payload.cc
index 37c6a7504b..893f6110af 100644
--- a/test/core/end2end/tests/compressed_payload.cc
+++ b/test/core/end2end/tests/compressed_payload.cc
@@ -173,7 +173,8 @@ class TestConfigurator {
 
   void RequestWithSendMessageBeforeInitialMetadata() {
     Init();
-    auto c = test_.NewClientCall("/foo").Timeout(Duration::Seconds(5)).Create();
+    auto c =
+        test_.NewClientCall("/foo").Timeout(Duration::Seconds(30)).Create();
     c.NewBatch(2).SendMessage(std::string(1024, 'x'));
     test_.Expect(2, true);
     CoreEnd2endTest::IncomingStatusOnClient server_status;