From c600aa9d7423eca8151daf626e2799d9a6c7b31c Mon Sep 17 00:00:00 2001
From: Siyuan Zhou <siyuan.zhou@mongodb.com>
Date: Fri, 5 Apr 2019 18:27:30 -0400
Subject: SERVER-40336 Use SecureRandom to seed the random number generator in
 replication coordinator.

---
 src/mongo/db/db.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/mongo/db')

diff --git a/src/mongo/db/db.cpp b/src/mongo/db/db.cpp
index 5df53cc0ef3..a11a241ab35 100644
--- a/src/mongo/db/db.cpp
+++ b/src/mongo/db/db.cpp
@@ -140,6 +140,7 @@
 #include "mongo/executor/network_interface_thread_pool.h"
 #include "mongo/executor/thread_pool_task_executor.h"
 #include "mongo/platform/process_id.h"
+#include "mongo/platform/random.h"
 #include "mongo/rpc/metadata/egress_metadata_hook_list.h"
 #include "mongo/s/client/shard_registry.h"
 #include "mongo/s/grid.h"
@@ -834,7 +835,7 @@ void setUpReplication(ServiceContext* serviceContext) {
         stdx::make_unique<repl::TopologyCoordinator>(topoCoordOptions),
         replicationProcess,
         storageInterface,
-        static_cast<int64_t>(curTimeMillis64()));
+        SecureRandom::create()->nextInt64());
     repl::ReplicationCoordinator::set(serviceContext, std::move(replCoord));
     repl::setOplogCollectionName(serviceContext);
 
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