From 2be78f8e634792cb98a04cd61fd967f64d6006a5 Mon Sep 17 00:00:00 2001
From: Stephanie Hingtgen <stephanie.hingtgen@grafana.com>
Date: Tue, 25 Nov 2025 13:27:38 -0700
Subject: [PATCH] Dashboards: Prevent panic in validation (#114436)

---
 apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go | 3 +++
 apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go  | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go b/apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go
index 7c5573f600a..a90eab95126 100644
--- a/apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go
+++ b/apps/dashboard/pkg/apis/dashboard/v0alpha1/validation.go
@@ -66,6 +66,9 @@ func ValidateDashboardSpec(obj *Dashboard, forceValidation bool) (field.ErrorLis
 }
 
 func formatErrorPath(path []string) string {
+	if len(path) <= 4 {
+		return strings.Join(path, ".")
+	}
 	// omitting the "lineage.schemas[0].schema.spec" prefix here.
 	return strings.Join(path[4:], ".")
 }
diff --git a/apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go b/apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go
index b48e38ffd7b..248dc27111c 100644
--- a/apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go
+++ b/apps/dashboard/pkg/apis/dashboard/v1beta1/validation.go
@@ -67,6 +67,9 @@ func ValidateDashboardSpec(obj *Dashboard, forceValidation bool) (field.ErrorLis
 }
 
 func formatErrorPath(path []string) string {
+	if len(path) <= 4 {
+		return strings.Join(path, ".")
+	}
 	// omitting the "lineage.schemas[0].schema.spec" prefix here.
 	return strings.Join(path[4:], ".")
 }