From 0160258bb5afab897c30634be081b139660e2f89 Mon Sep 17 00:00:00 2001
From: Irena Rindos <irenarindos@users.noreply.github.com>
Date: Wed, 17 Apr 2024 14:53:24 -0400
Subject: [PATCH] bug: fix data race in hclogger (#4645)

* bug: fix data race in hclogger
---
 internal/event/hclog_formatter_node.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/internal/event/hclog_formatter_node.go b/internal/event/hclog_formatter_node.go
index 27affbb30..54b5f7012 100644
--- a/internal/event/hclog_formatter_node.go
+++ b/internal/event/hclog_formatter_node.go
@@ -35,7 +35,8 @@ type hclogFormatterFilter struct {
 	allow      []*filter
 	deny       []*filter
 	signer     signer
-	l          sync.RWMutex
+	// l protects the signer field
+	l sync.RWMutex
 }
 
 func newHclogFormatterFilter(jsonFormat bool, opt ...Option) (*hclogFormatterFilter, error) {
@@ -205,6 +206,8 @@ func (f *hclogFormatterFilter) Process(ctx context.Context, e *eventlogger.Event
 	if err != nil {
 		return nil, fmt.Errorf("%s: unable to format: %w", op, err)
 	}
+	f.l.Lock()
+	defer f.l.Unlock()
 	if f.signer != nil && string(e.Type) == string(AuditType) {
 		bufHmac, err := f.signer(ctx, buf.Bytes())
 		if err != nil {