diff --git a/test/core/end2end/end2end_test_corpus/retry_server_pushback_delay/6569258070900736 b/test/core/end2end/end2end_test_corpus/retry_server_pushback_delay/6569258070900736
new file mode 100644
index 00000000000..d8b621c0d8c
--- /dev/null
+++ b/test/core/end2end/end2end_test_corpus/retry_server_pushback_delay/6569258070900736
@@ -0,0 +1,610 @@
+test_id: 541065219
+event_engine_actions {
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 512
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 44754521296994304
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 127953324631296
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 4179340454468255744
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 0
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
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+  run_delay: 268435456
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+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 13153337344
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 9223372036854775807
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 4294967297
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435457
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 268435456
+  run_delay: 0
+  run_delay: 0
+  run_delay: 7560960
+  assign_ports: 0
+  assign_ports: 2
+  assign_ports: 0
+  connections {
+    write_size: 0
+    write_size: 3
+    write_size: 0
+    write_size: 0
+    write_size: 3
+    write_size: 3
+    write_size: 0
+    write_size: 3
+    write_size: 3
+    write_size: 0
+    write_size: 0
+    write_size: 4
+    write_size: 3
+    write_size: 0
+    write_size: 0
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 0
+    write_size: 3
+    write_size: 0
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 0
+    write_size: 3
+    write_size: 4
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 1
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 0
+    write_size: 3
+    write_size: 1
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 0
+    write_size: 3
+    write_size: 1
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 3
+    write_size: 0
+    write_size: 0
+  }
+}
+config_vars {
+  dns_resolver: "3\n    write_size: 3\n    write_size: 3\n    write_size: 3\n    write_size: 3\n    write_size: 3\n  }\n}\nconfig_vars {\n  enable_fork_support: true\n  trace: \"\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\0L"
+  stacktrace_minloglevel: "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
+  trace: "3\n    write_size: 3\n    write_size: 3\n    write_size: 3\n    write_size: 3\n    write_size: 20120770\n  }\n}\nconfig_vars {\n  enable_fork_support: true\n  trace: \"\\000\\000\\000\\000\\000\\2147483647\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\340282366920938463463374607431768211456\\000\\000\\000\\000\\000\\000\\000\\000\\0L"
+  experiments: "3\n    write_size: 3\n    write_size: 3\n    write_size: 3\n    write_size: 3\n    write_size: 3\n  }\n}\nconfig_vars {\n  enable_fork_support: true\n  trace: \"\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\0L"
+}
diff --git a/test/core/end2end/tests/retry_server_pushback_delay.cc b/test/core/end2end/tests/retry_server_pushback_delay.cc
index 6249ec9c28f..4039a526bbe 100644
--- a/test/core/end2end/tests/retry_server_pushback_delay.cc
+++ b/test/core/end2end/tests/retry_server_pushback_delay.cc
@@ -53,7 +53,7 @@ CORE_END2END_TEST(RetryTest, RetryServerPushbackDelay) {
       "  } ]\n"
       "}"));
   auto c =
-      NewClientCall("/service/method").Timeout(Duration::Seconds(5)).Create();
+      NewClientCall("/service/method").Timeout(Duration::Minutes(1)).Create();
   EXPECT_NE(c.GetPeer(), absl::nullopt);
   IncomingMessage server_message;
   IncomingMetadata server_initial_metadata;
@@ -87,7 +87,7 @@ CORE_END2END_TEST(RetryTest, RetryServerPushbackDelay) {
   const auto retry_delay = after_retry - before_retry;
   // Configured back-off was 1 second, server push-back said 2 seconds.
   // To avoid flakiness, we allow some fudge factor here.
-  EXPECT_GE(retry_delay, Duration::Milliseconds(1800));
+  EXPECT_GE(retry_delay, Duration::Milliseconds(1500));
   EXPECT_NE(s->GetPeer(), absl::nullopt);
   EXPECT_NE(c.GetPeer(), absl::nullopt);
   IncomingCloseOnServer client_close2;