diff --git a/test/core/end2end/fuzzers/api_fuzzer_corpus/testcase-4861974604218368 b/test/core/end2end/fuzzers/api_fuzzer_corpus/testcase-4861974604218368
new file mode 100644
index 00000000000..321520c9fe8
--- /dev/null
+++ b/test/core/end2end/fuzzers/api_fuzzer_corpus/testcase-4861974604218368
@@ -0,0 +1,34 @@
+actions {
+  create_channel {
+    target: "unix::p,,1,,,,,,,,,,,,,,,,,,(:,,,6,,,,,,,,,,,,,,,,,,(:,,,6,,,,,,,,,,,,,,,,,,,,}F\177\017,,,1,,,,,,,,,,,,,,,,,,(:,,,,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,;>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,=>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<><>><>>,<,><,<<,,,>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>-<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<><>,<>,<>,<>,<>,<>,<>><>,<>,<>,<>,<>,<>,<>>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,<>,1213989256647404858(:,,,6,,,,,,,,,gggggggggggggggggggggggggggggggggggggggggggggggg\'ggg\021\000ggg,,,,,,,,,,,,,,(:,,,6,,,,,,,,,,,,,,,,bbbbbbbbbbbb,,,,,,,,,,,,(:,,,6,,,,,,,,,,,,,,,,,,(:,,,6,,,,,,,,,,,,,,,,,,:"
+    channel_args {
+      args {
+        key: "grpc.max_reconnect_backoff_ms"
+        i: 0
+      }
+      args {
+        key: "/\344\213\220"
+        i: 72055395014672384
+      }
+      args {
+        key: "/\344\213\220vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv"
+        i: 0
+      }
+      args {
+      }
+    }
+  }
+}
+actions {
+  check_connectivity: true
+}
+actions {
+  sleep_ms: 524288
+}
+event_engine_actions {
+  assign_ports: 2146959359
+}
+config_vars {
+  enable_fork_support: false
+  experiments: 16357073846609641471
+}
diff --git a/test/core/event_engine/fuzzing_event_engine/fuzzing_event_engine.cc b/test/core/event_engine/fuzzing_event_engine/fuzzing_event_engine.cc
index c788c43cee3..6c4f464e8e3 100644
--- a/test/core/event_engine/fuzzing_event_engine/fuzzing_event_engine.cc
+++ b/test/core/event_engine/fuzzing_event_engine/fuzzing_event_engine.cc
@@ -543,11 +543,18 @@ EventEngine::TaskHandle FuzzingEventEngine::RunAfterLocked(
   const intptr_t id = next_task_id_;
   ++next_task_id_;
   Duration delay_taken = Duration::zero();
-  if (run_type != RunType::kExact && !task_delays_.empty()) {
-    delay_taken = grpc_core::Clamp(task_delays_.front(), Duration::zero(),
-                                   max_delay_[static_cast<int>(run_type)]);
+  if (run_type != RunType::kExact) {
+    if (!task_delays_.empty()) {
+      delay_taken = grpc_core::Clamp(task_delays_.front(), Duration::zero(),
+                                     max_delay_[static_cast<int>(run_type)]);
+      task_delays_.pop();
+    } else if (when == Duration::zero()) {
+      // For zero-duration events, if there is no more delay input from
+      // the test case, we default to a small non-zero value to avoid
+      // busy loops that prevent us from making forward progress.
+      delay_taken = std::chrono::microseconds(1);
+    }
     when += delay_taken;
-    task_delays_.pop();
   }
   auto task = std::make_shared<Task>(id, std::move(closure));
   tasks_by_id_.emplace(id, task);