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fix: add rlock() for fqdnToEntry map #211

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Merged
mwennrich merged 1 commit into from
Feb 18, 2026
Merged

fix: add rlock() for fqdnToEntry map #211

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4 changes: 4 additions & 0 deletions pkg/dns/dnscache.go
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Original file line number Diff line number Diff line change
Expand Up @@ -169,7 +169,9 @@ func newDNSCache(ctx context.Context, dns string, ipv4Enabled, ipv6Enabled bool,

// writeStateToConfigmap writes the whole DNS cache to the state configmap
func (c *DNSCache) writeStateToConfigmap() error {
c.RLock()
s, err := yaml.Marshal(c.fqdnToEntry)
c.RUnlock()
if err != nil {
return err
}
Expand Down Expand Up @@ -261,6 +263,8 @@ func (c *DNSCache) getSetsForFQDN(fqdn firewallv1.FQDNSelector) (result []firewa
}

func (c *DNSCache) getSetsForRendering(fqdns []firewallv1.FQDNSelector) (result []RenderIPSet) {
c.RLock()
defer c.RUnlock()
for n, e := range c.fqdnToEntry {
var matched bool
for _, fqdn := range fqdns {
Expand Down