From 0fbbc1788ff9cf89f83ba2b497a563c484ac3b9c Mon Sep 17 00:00:00 2001
From: Ricky Dama <rickydama2006@gmail.com>
Date: Tue, 11 Aug 2026 13:37:47 +0530
Subject: [PATCH] fix(monitor): prevent fatal data race during feedback
 observation

Signed-off-by: Ricky Dama <rickydama2006@gmail.com>
---
 cmd/vGPUmonitor/feedback.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmd/vGPUmonitor/feedback.go b/cmd/vGPUmonitor/feedback.go
index 3d119e6c4c..d5553d7629 100644
--- a/cmd/vGPUmonitor/feedback.go
+++ b/cmd/vGPUmonitor/feedback.go
@@ -72,6 +72,9 @@ func CheckPriority(utSwitchOn map[string]UtilizationPerDevice, p int, c *nvidia.
 }
 
 func Observe(lister *nvidia.ContainerLister) {
+	lister.Lock()
+	defer lister.UnLock()
+
 	utSwitchOn := map[string]UtilizationPerDevice{}
 	containers := lister.ListContainers()