Merge pull request #83435 from liggitt/automated-cherry-pick-of-#83261-upstream-release-1.14

[1.14] Automated cherry pick of #83261: bump gopkg.in/yaml.v2 v2.2.4

Kubernetes-commit: bdc7ad2ca2d8f54b59ca076981535b769627834d

vendor/k8s.io/apimachinery/pkg/api/resource/generated.pb.go

@@ -28,9 +28,13 @@ It has these top-level messages:
 */
 package resource
 
-import proto "github.com/gogo/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+
+	proto "github.com/gogo/protobuf/proto"
+
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.pb.go

@@ -69,21 +69,27 @@ limitations under the License.
 */
 package v1
 
-import proto "github.com/gogo/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
 
-import k8s_io_apimachinery_pkg_runtime "k8s.io/apimachinery/pkg/runtime"
+	proto "github.com/gogo/protobuf/proto"
 
-import time "time"
-import k8s_io_apimachinery_pkg_types "k8s.io/apimachinery/pkg/types"
+	math "math"
 
-import github_com_gogo_protobuf_sortkeys "github.com/gogo/protobuf/sortkeys"
+	k8s_io_apimachinery_pkg_runtime "k8s.io/apimachinery/pkg/runtime"
 
-import strings "strings"
-import reflect "reflect"
+	time "time"
 
-import io "io"
+	k8s_io_apimachinery_pkg_types "k8s.io/apimachinery/pkg/types"
+
+	github_com_gogo_protobuf_sortkeys "github.com/gogo/protobuf/sortkeys"
+
+	strings "strings"
+
+	reflect "reflect"
+
+	io "io"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal

vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1/generated.pb.go

@@ -30,14 +30,19 @@ limitations under the License.
 */
 package v1beta1
 
-import proto "github.com/gogo/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
 
-import strings "strings"
-import reflect "reflect"
+	proto "github.com/gogo/protobuf/proto"
 
-import io "io"
+	math "math"
+
+	strings "strings"
+
+	reflect "reflect"
+
+	io "io"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal

vendor/k8s.io/apimachinery/pkg/runtime/generated.pb.go

@@ -30,14 +30,19 @@ limitations under the License.
 */
 package runtime
 
-import proto "github.com/gogo/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
 
-import strings "strings"
-import reflect "reflect"
+	proto "github.com/gogo/protobuf/proto"
 
-import io "io"
+	math "math"
+
+	strings "strings"
+
+	reflect "reflect"
+
+	io "io"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal

vendor/k8s.io/apimachinery/pkg/runtime/schema/generated.pb.go

@@ -27,9 +27,13 @@ It has these top-level messages:
 */
 package schema
 
-import proto "github.com/gogo/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+
+	proto "github.com/gogo/protobuf/proto"
+
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal

vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go

@@ -100,7 +100,27 @@ func (customNumberDecoder) Decode(ptr unsafe.Pointer, iter *jsoniter.Iterator) {
 		}
 		iter.ReportError("DecodeNumber", err.Error())
 	default:
+		// init depth, if needed
+		if iter.Attachment == nil {
+			iter.Attachment = int(1)
+		}
+
+		// remember current depth
+		originalAttachment := iter.Attachment
+
+		// increment depth before descending
+		if i, ok := iter.Attachment.(int); ok {
+			iter.Attachment = i + 1
+			if i > 10000 {
+				iter.ReportError("parse", "exceeded max depth")
+				return
+			}
+		}
+
 		*(*interface{})(ptr) = iter.Read()
+
+		// restore current depth
+		iter.Attachment = originalAttachment
 	}
 }
 

vendor/k8s.io/apimachinery/pkg/util/intstr/generated.pb.go

@@ -28,11 +28,15 @@ limitations under the License.
 */
 package intstr
 
-import proto "github.com/gogo/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
 
-import io "io"
+	proto "github.com/gogo/protobuf/proto"
+
+	math "math"
+
+	io "io"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal

vendor/k8s.io/apimachinery/pkg/util/json/json.go

@@ -19,6 +19,7 @@ package json
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"io"
 )
 
@@ -34,6 +35,9 @@ func Marshal(v interface{}) ([]byte, error) {
 	return json.Marshal(v)
 }
 
+// limit recursive depth to prevent stack overflow errors
+const maxDepth = 10000
+
 // Unmarshal unmarshals the given data
 // If v is a *map[string]interface{}, numbers are converted to int64 or float64
 func Unmarshal(data []byte, v interface{}) error {
@@ -48,7 +52,7 @@ func Unmarshal(data []byte, v interface{}) error {
 			return err
 		}
 		// If the decode succeeds, post-process the map to convert json.Number objects to int64 or float64
-		return convertMapNumbers(*v)
+		return convertMapNumbers(*v, 0)
 
 	case *[]interface{}:
 		// Build a decoder from the given data
@@ -60,7 +64,7 @@ func Unmarshal(data []byte, v interface{}) error {
 			return err
 		}
 		// If the decode succeeds, post-process the map to convert json.Number objects to int64 or float64
-		return convertSliceNumbers(*v)
+		return convertSliceNumbers(*v, 0)
 
 	default:
 		return json.Unmarshal(data, v)
@@ -69,16 +73,20 @@ func Unmarshal(data []byte, v interface{}) error {
 
 // convertMapNumbers traverses the map, converting any json.Number values to int64 or float64.
 // values which are map[string]interface{} or []interface{} are recursively visited
-func convertMapNumbers(m map[string]interface{}) error {
+func convertMapNumbers(m map[string]interface{}, depth int) error {
+	if depth > maxDepth {
+		return fmt.Errorf("exceeded max depth of %d", maxDepth)
+	}
+
 	var err error
 	for k, v := range m {
 		switch v := v.(type) {
 		case json.Number:
 			m[k], err = convertNumber(v)
 		case map[string]interface{}:
-			err = convertMapNumbers(v)
+			err = convertMapNumbers(v, depth+1)
 		case []interface{}:
-			err = convertSliceNumbers(v)
+			err = convertSliceNumbers(v, depth+1)
 		}
 		if err != nil {
 			return err
@@ -89,16 +97,20 @@ func convertMapNumbers(m map[string]interface{}) error {
 
 // convertSliceNumbers traverses the slice, converting any json.Number values to int64 or float64.
 // values which are map[string]interface{} or []interface{} are recursively visited
-func convertSliceNumbers(s []interface{}) error {
+func convertSliceNumbers(s []interface{}, depth int) error {
+	if depth > maxDepth {
+		return fmt.Errorf("exceeded max depth of %d", maxDepth)
+	}
+
 	var err error
 	for i, v := range s {
 		switch v := v.(type) {
 		case json.Number:
 			s[i], err = convertNumber(v)
 		case map[string]interface{}:
-			err = convertMapNumbers(v)
+			err = convertMapNumbers(v, depth+1)
 		case []interface{}:
-			err = convertSliceNumbers(v)
+			err = convertSliceNumbers(v, depth+1)
 		}
 		if err != nil {
 			return err