From 597b4748fc36210c61cf4d6c086d364013df740a Mon Sep 17 00:00:00 2001
From: "A. Jesse Jiryu Davis" <jesse@mongodb.com>
Date: Wed, 5 Dec 2018 16:52:35 -0500
Subject: SERVER-34943 Ignore internal commands with "failCommand"

---
 src/mongo/db/commands.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/mongo')

diff --git a/src/mongo/db/commands.cpp b/src/mongo/db/commands.cpp
index 2aa894c4091..a1ff6151f22 100644
--- a/src/mongo/db/commands.cpp
+++ b/src/mongo/db/commands.cpp
@@ -478,6 +478,12 @@ bool CommandHelpers::shouldActivateFailCommandFailPoint(const BSONObj& data,
         return false;
     }
 
+    if (client->session() && (client->session()->getTags() & transport::Session::kInternalClient)) {
+        if (!data.hasField("failInternalCommands") || !data.getBoolField("failInternalCommands")) {
+            return false;
+        }
+    }
+
     for (auto&& failCommand : data.getObjectField("failCommands")) {
         if (failCommand.type() == String && failCommand.valueStringData() == cmdName) {
             return true;
-- 
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