From a430107dcf6d179aecfe12ba3e0ccc5f8e9176d9 Mon Sep 17 00:00:00 2001
From: Martin Hutchinson <mhutchinson@gmail.com>
Date: Tue, 11 Apr 2023 16:42:17 +0100
Subject: [PATCH] Remove deprecated use of math/rand.Read (#2958)

---
 testonly/mdm/mdm.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/testonly/mdm/mdm.go b/testonly/mdm/mdm.go
index a517665d84..c057524e86 100644
--- a/testonly/mdm/mdm.go
+++ b/testonly/mdm/mdm.go
@@ -18,6 +18,7 @@ package mdm
 
 import (
 	"context"
+	crand "crypto/rand"
 	"fmt"
 	"math/rand"
 	"strconv"
@@ -131,7 +132,7 @@ func (m *MergeDelayMonitor) monitor(ctx context.Context, idx int) error {
 			createNew = true
 		}
 		if createNew {
-			rand.Read(data)
+			crand.Read(data)
 		}
 
 		// Add the leaf data and wait for its inclusion.