From c579f6fda7f27f1e0e00cda3e5597a680e865dd1 Mon Sep 17 00:00:00 2001
From: POABOB <zxc752166@gmail.com>
Date: Thu, 23 Nov 2023 11:08:14 +0800
Subject: [PATCH] fix: Prevent ring index overflow

---
 core/collection/ring.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/collection/ring.go b/core/collection/ring.go
index 8218d60dcb20b..a1eb7fd12f588 100644
--- a/core/collection/ring.go
+++ b/core/collection/ring.go
@@ -1,6 +1,9 @@
 package collection
 
-import "sync"
+import (
+	"math"
+	"sync"
+)
 
 // A Ring can be used as fixed size ring.
 type Ring struct {
@@ -26,7 +29,7 @@ func (r *Ring) Add(v any) {
 	defer r.lock.Unlock()
 
 	r.elements[r.index%len(r.elements)] = v
-	r.index++
+	r.index = (r.index + 1) % math.MaxInt32 // prevent ring index overflow
 }
 
 // Take takes all items from r.