From 61bf29be36a6678ba16c457229ca306339ea4ebc Mon Sep 17 00:00:00 2001
From: Taylor Gerring <taylor.gerring@gmail.com>
Date: Wed, 11 Mar 2015 10:43:52 -0500
Subject: Check length of timestring before taking slice

---
 logger/types.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/logger/types.go b/logger/types.go
index d98f0874a..0f70578ba 100644
--- a/logger/types.go
+++ b/logger/types.go
@@ -8,7 +8,12 @@ import (
 type utctime8601 struct{}
 
 func (utctime8601) MarshalJSON() ([]byte, error) {
-	return []byte(`"` + time.Now().UTC().Format(time.RFC3339Nano)[:26] + `Z"`), nil
+	timestr := time.Now().UTC().Format(time.RFC3339Nano)
+	// Bounds check
+	if len(timestr) > 26 {
+		timestr = timestr[:26]
+	}
+	return []byte(`"` + timestr + `Z"`), nil
 }
 
 type JsonLog interface {
-- 
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