From 2becb920e431110c4afc4fa069b051c5940c2096 Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@jeremyevans.net>
Date: Fri, 29 May 2020 14:13:30 -0700
Subject: [PATCH] Convert ip addresses to canonical form in
 Resolv::DNS::Requester::UnconnectedUDP#sender

Otherwise, if the IP address given is not in canonical form, it
won't match, and Resolv will ignore it.

Fixes [Bug #16439]
---
 lib/resolv.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/resolv.rb b/lib/resolv.rb
index e7b45e785a85..d78531e174fd 100644
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@@ -767,6 +767,7 @@ def recv_reply(readable_socks)
         end
 
         def sender(msg, data, host, port=Port)
+          host = Addrinfo.ip(host).ip_address
           lazy_initialize
           sock = @socks_hash[host.index(':') ? "::" : "0.0.0.0"]
           return nil if !sock