From f92951b835c3e35a3b2e408344d959f5e51cee6e Mon Sep 17 00:00:00 2001
From: Vladimir Mihailenco <vladimir.webdev@gmail.com>
Date: Wed, 28 Oct 2020 11:12:46 +0200
Subject: [PATCH] Guard against overflow in retry

---
 internal/internal.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/internal/internal.go b/internal/internal.go
index 735d6aff..4a59c599 100644
--- a/internal/internal.go
+++ b/internal/internal.go
@@ -15,6 +15,10 @@ func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration
 	}
 
 	d := minBackoff << uint(retry)
+	if d < minBackoff {
+		return maxBackoff
+	}
+
 	d = minBackoff + time.Duration(rand.Int63n(int64(d)))
 
 	if d > maxBackoff || d < minBackoff {