From 182f3a9b4dff16474fbb7123466181a09781b633 Mon Sep 17 00:00:00 2001
From: borx <53216212+binorxin@users.noreply.github.com>
Date: Thu, 20 Nov 2025 23:57:30 +0800
Subject: [PATCH] fix: cast size to int64 before comparing with MaxUint32

---
 relay/channel/volcengine/protocols.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/relay/channel/volcengine/protocols.go b/relay/channel/volcengine/protocols.go
index c978e1c76..fb7dcd578 100644
--- a/relay/channel/volcengine/protocols.go
+++ b/relay/channel/volcengine/protocols.go
@@ -385,7 +385,7 @@ func (m *Message) writeSessionID(buf *bytes.Buffer) error {
 	}
 
 	size := len(m.SessionID)
-	if size > math.MaxUint32 {
+	if int64(size) > math.MaxUint32 {
 		return fmt.Errorf("session ID size (%d) exceeds max(uint32)", size)
 	}
 
@@ -407,7 +407,7 @@ func (m *Message) writeErrorCode(buf *bytes.Buffer) error {
 
 func (m *Message) writePayload(buf *bytes.Buffer) error {
 	size := len(m.Payload)
-	if size > math.MaxUint32 {
+	if int64(size) > math.MaxUint32 {
 		return fmt.Errorf("payload size (%d) exceeds max(uint32)", size)
 	}