From e92b8c1d8ea1159af0ffee333ed822c8cdcfa90f Mon Sep 17 00:00:00 2001
From: confx <team.fuzzing@gmail.com>
Date: Sat, 16 Sep 2023 12:23:09 -0400
Subject: [PATCH]  checking the timeout in ZKFailovercontroller after
 multiplication.

---
 .../src/main/java/org/apache/hadoop/ha/ZKFailoverController.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
index d24d5630c5917..0b32cc0a4882b 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
@@ -656,6 +656,7 @@ public Void run() throws Exception {
   private void doGracefulFailover()
       throws ServiceFailedException, IOException, InterruptedException {
     int timeout = FailoverController.getGracefulFenceTimeout(conf) * 2;
+    Preconditions.checkArgument(timeout >= 0, "timeout should be non-negative.");
     
     // Phase 1: pre-flight checks
     checkEligibleForFailover();