diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 3b3a95607125c559d039e21f5bdaba7e66fac48b..2cddea3bd6be9fcb935669ec26678e3b0c368b2e 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -708,7 +708,8 @@ static void ip6_frags_ns_sysctl_unregister(struct net *net)
 
 	table = net->ipv6.sysctl.frags_hdr->ctl_table_arg;
 	unregister_net_sysctl_table(net->ipv6.sysctl.frags_hdr);
-	kfree(table);
+	if (!net_eq(net, &init_net))
+		kfree(table);
 }
 
 static struct ctl_table_header *ip6_ctl_header;