fix: allow ipv4-mapped ipv6 addresses

Signed-off-by: Steven Kreitzer <[email protected]>
kubernetes-sigs · Dec 11, 2024 · 19a5238 · 19a5238
1 parent fe2924b
commit 19a5238
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/source/source.go b/source/source.go
@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"math"
 	"net"
+	"net/netip"
 	"reflect"
 	"strconv"
 	"strings"
@@ -390,6 +391,6 @@ func waitForDynamicCacheSync(ctx context.Context, factory dynamicInformerFactory
 
 // isIPv6String returns if ip is IPv6.
 func isIPv6String(ip string) bool {
-	netIP := net.ParseIP(ip)
-	return netIP != nil && netIP.To4() == nil
+	netIP, err := netip.ParseAddr(ip)
+	return err == nil && netIP.Is6()
 }