From 777e31302cf04fedb9c233f2036bec0c90c8be8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A3=8E=E6=89=87=E6=BB=91=E7=BF=94=E7=BF=BC?=
 <Fangliding.fshxy@outlook.com>
Date: Wed, 21 Jan 2026 21:24:51 +0800
Subject: [PATCH] Router: Fix panic in ProcessNameMatcher when source IPs are
 empty (#5574)

Fixes https://github.com/XTLS/Xray-core/issues/5573
---
 app/router/condition.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/router/condition.go b/app/router/condition.go
index ca4f9605..c063bae3 100644
--- a/app/router/condition.go
+++ b/app/router/condition.go
@@ -358,6 +358,9 @@ func NewProcessNameMatcher(names []string) *ProcessNameMatcher {
 }
 
 func (m *ProcessNameMatcher) Apply(ctx routing.Context) bool {
+	if len(ctx.GetSourceIPs()) == 0 {
+		return false
+	}
 	srcPort := ctx.GetSourcePort().String()
 	srcIP := ctx.GetSourceIPs()[0].String()
 	var network string