From a76dc449fe1ba2a2ea0ce3a456c3ef1d363cedb0 Mon Sep 17 00:00:00 2001
From: ceclinux <src655@gmail.com>
Date: Mon, 24 Jul 2023 19:04:42 +0800
Subject: [PATCH] Fix groupAddress index out of range error

Signed-off-by: ceclinux <src655@gmail.com>
---
 VERSION          | 2 +-
 protocol/igmp.go | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/VERSION b/VERSION
index 87a1cf5..9ca265d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v0.12.0
+v0.12.1
diff --git a/protocol/igmp.go b/protocol/igmp.go
index c9a9c0e..5afd6f1 100644
--- a/protocol/igmp.go
+++ b/protocol/igmp.go
@@ -161,7 +161,7 @@ func (p *IGMPv3Query) MarshalBinary() (data []byte, err error) {
 	n += 1
 	binary.BigEndian.PutUint16(data[n:], p.Checksum)
 	n += 2
-	copy(data[n:n+4], p.GroupAddress[12:16])
+	copy(data[n:n+4], p.GroupAddress.To4())
 	n += 4
 	sBit := uint8(0x0)
 	if p.SuppressRouterProcessing {