fix(p2p/discv5): unset pingEcho on pong timeout ethereum#21324

gzliudan · gzliudan · commit fa2297d8a52c · 2026-06-30T18:18:09.000+08:00
diff --git a/p2p/discv5/net.go b/p2p/discv5/net.go
@@ -1036,6 +1036,11 @@ func (net *Network) handle(n *Node, ev nodeEvent, pkt *ingressPacket) error {
 			net.db.ensureExpirer()
 		}
 	}
+	if ev == pongTimeout {
+		// Clean up after pong timeout.
+		n.pingEcho = nil
+		n.pingTopics = nil
+	}
 	if n.state == nil {
 		n.state = unknown //???
 	}

Original file line number	Diff line number	Diff line change
`@@ -1036,6 +1036,11 @@ func (net Network) handle(n Node, ev nodeEvent, pkt *ingressPacket) error {`
`1036`	`1036`	`net.db.ensureExpirer()`
`1037`	`1037`	`}`
`1038`	`1038`	`}`
	`1039`	`+ if ev == pongTimeout {`
	`1040`	`+ // Clean up after pong timeout.`
	`1041`	`+ n.pingEcho = nil`
	`1042`	`+ n.pingTopics = nil`
	`1043`	`+ }`
`1039`	`1044`	`if n.state == nil {`
`1040`	`1045`	`n.state = unknown //???`
`1041`	`1046`	`}`