MDEV-9185: fix ipv6 detection test in MTR

Signed-off-by: Daniel Black <daniel.black@au.ibm.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/mysql-test/suite.pm b/mysql-test/suite.pm
index ea07af7376c..6991ba5f035 100644
--- a/mysql-test/suite.pm
+++ b/mysql-test/suite.pm
@@ -56,9 +56,15 @@ sub skip_combinations {
   sub ipv6_ok() {
     use Socket;
     return 0 unless socket my $sock, PF_INET6, SOCK_STREAM, getprotobyname('tcp');
-    # eval{}, if there's no Socket::sockaddr_in6 at all, old Perl installation
-    eval { connect $sock, sockaddr_in6(7, Socket::IN6ADDR_LOOPBACK) };
-    return $@ eq "";
+    my $ipv6_works = false;
+    # eval{}, if there's no Socket::sockaddr_in6 at all, old Perl installation <5.14
+    eval {
+      my $addr = sockaddr_in6($baseport, Socket::IN6ADDR_LOOPBACK) or return 0;
+      die 'bind failed' unless bind $sock, $addr;
+      close $sock;
+      $ipv6_works = true;
+    };
+    return $@ eq "" && $ipv6_works;
   }
   $skip{'include/check_ipv6.inc'} = 'No IPv6' unless ipv6_ok();