From 1e0c61c3a26634bca075b09a1f7038b123cb1c8e Mon Sep 17 00:00:00 2001
From: Vladislav Kolesnikov <prime@vladqa.ru>
Date: Wed, 20 Jul 2016 17:28:32 +0300
Subject: [PATCH] added mutex on read from controller.svcRecords map

Signed-off-by: Vladislav Kolesnikov <vkolesnikov@beget.ru>
---
 libnetwork/sandbox.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libnetwork/sandbox.go b/libnetwork/sandbox.go
index d51c53260f..12efbb59a2 100644
--- a/libnetwork/sandbox.go
+++ b/libnetwork/sandbox.go
@@ -575,7 +575,11 @@ func (sb *sandbox) resolveName(req string, networkName string, epList []*endpoin
 			ep.Unlock()
 		}
 
-		sr, ok := n.getController().svcRecords[n.ID()]
+		c := n.getController()
+		c.Lock()
+		sr, ok := c.svcRecords[n.ID()]
+		c.Unlock()
+
 		if !ok {
 			continue
 		}