From 8ee35bebb52d54dee06afef0cb27e7b3e1dd796f Mon Sep 17 00:00:00 2001
From: Yan Evzman <yalevzman@edu.hse.ru>
Date: Fri, 7 Jul 2023 00:36:41 +0300
Subject: [PATCH] kerndat: bind ipv6-socket only if ipv6 is enabled

Fixes: #2222
Fixes: f1c8d38 ("kerndat: check if setsockopt IPV6_FREEBIND is supported")
Signed-off-by: Yan Evzman <yevzman@gmail.com>
Signed-off-by: Andrei Vagin <avagin@google.com>
---
 criu/kerndat.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/criu/kerndat.c b/criu/kerndat.c
index 597fe5d92..c74201617 100644
--- a/criu/kerndat.c
+++ b/criu/kerndat.c
@@ -1578,6 +1578,11 @@ static int kerndat_has_ipv6_freebind(void)
 {
 	int sk, val;
 
+	if (!kdat.ipv6) {
+		kdat.has_ipv6_freebind = false;
+		return 0;
+	}
+
 	sk = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
 	if (sk == -1) {
 		pr_perror("Unable to create a ipv6 dgram socket");