From 9ae5dab4288b7fd1e72ec80dd29b5e396ac64260 Mon Sep 17 00:00:00 2001
From: ihchoi12 <inho.choi.12@gmail.com>
Date: Thu, 31 Aug 2023 03:13:52 +0000
Subject: [PATCH] [inetstack] Bug Fix: TCP ctrlblk checks SeqNumber of
 out-of-order FIN

---
 src/rust/inetstack/protocols/tcp/established/ctrlblk.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/rust/inetstack/protocols/tcp/established/ctrlblk.rs b/src/rust/inetstack/protocols/tcp/established/ctrlblk.rs
index 5497d7df4..eaa7d8f08 100644
--- a/src/rust/inetstack/protocols/tcp/established/ctrlblk.rs
+++ b/src/rust/inetstack/protocols/tcp/established/ctrlblk.rs
@@ -1122,8 +1122,9 @@ impl<const N: usize> ControlBlock<N> {
         if added_out_of_order {
             match self.out_of_order_fin.get() {
                 Some(fin) => {
-                    debug_assert_eq!(fin, recv_next);
-                    return true;
+                    if fin == recv_next {
+                        return true;
+                    }
                 },
                 _ => (),
             }