From 906636b5267ebfd946cb2b188a582aa32d3f4129 Mon Sep 17 00:00:00 2001
From: Bing-Yang Lin <bingyang.lin@iota.org>
Date: Sun, 19 Jan 2025 15:39:41 +0800
Subject: [PATCH] Fix one more possible crash in execution_driver

---
 crates/iota-core/src/execution_driver.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/crates/iota-core/src/execution_driver.rs b/crates/iota-core/src/execution_driver.rs
index ea3bf455fba..8672bcc5b09 100644
--- a/crates/iota-core/src/execution_driver.rs
+++ b/crates/iota-core/src/execution_driver.rs
@@ -87,6 +87,16 @@ pub async fn execution_process(
         let digest = *certificate.digest();
         trace!(?digest, "Pending certificate execution activated.");
 
+        if epoch_store.epoch() != certificate.epoch() {
+            info!(
+                ?digest,
+                cur_epoch = epoch_store.epoch(),
+                cert_epoch = certificate.epoch(),
+                "Ignoring certificate from previous epoch."
+            );
+            continue;
+        }
+
         let limit = limit.clone();
         // hold semaphore permit until task completes. unwrap ok because we never close
         // the semaphore in this context.