From 537d2ec1ad846898f820874442c3f69915096bad Mon Sep 17 00:00:00 2001
From: Matthew Pendrey <matthew.pendrey@gmail.com>
Date: Tue, 6 Aug 2024 18:08:44 +0100
Subject: [PATCH] fix data race in syncer/launcher (#14050)

---
 .changeset/twelve-balloons-turn.md | 5 +++++
 core/capabilities/registry.go      | 2 ++
 2 files changed, 7 insertions(+)
 create mode 100644 .changeset/twelve-balloons-turn.md

diff --git a/.changeset/twelve-balloons-turn.md b/.changeset/twelve-balloons-turn.md
new file mode 100644
index 00000000000..f4f0e2670e9
--- /dev/null
+++ b/.changeset/twelve-balloons-turn.md
@@ -0,0 +1,5 @@
+---
+"chainlink": patch
+---
+
+#internal fix data race in syncer launcher
diff --git a/core/capabilities/registry.go b/core/capabilities/registry.go
index 8a99450c096..d6891c81ab9 100644
--- a/core/capabilities/registry.go
+++ b/core/capabilities/registry.go
@@ -37,6 +37,8 @@ func (r *Registry) LocalNode(ctx context.Context) (capabilities.Node, error) {
 }
 
 func (r *Registry) ConfigForCapability(ctx context.Context, capabilityID string, donID uint32) (capabilities.CapabilityConfiguration, error) {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
 	if r.metadataRegistry == nil {
 		return capabilities.CapabilityConfiguration{}, errors.New("metadataRegistry information not available")
 	}