vendor: Update vendor logic

vendor/github.com/json-iterator/go/README.md

@@ -10,10 +10,6 @@ A high-performance 100% compatible drop-in replacement of "encoding/json"
 
 You can also use thrift like JSON using [thrift-iterator](https://github.com/thrift-iterator/go)
 
-```
-Go开发者们请加入我们，滴滴出行平台技术部 taowen@didichuxing.com
-```
-
 # Benchmark
 
 ![benchmark](http://jsoniter.com/benchmarks/go-benchmark.png)

vendor/github.com/json-iterator/go/adapter.go

@@ -16,7 +16,7 @@ func Unmarshal(data []byte, v interface{}) error {
 	return ConfigDefault.Unmarshal(data, v)
 }
 
-// UnmarshalFromString convenient method to read from string instead of []byte
+// UnmarshalFromString is a convenient method to read from string instead of []byte
 func UnmarshalFromString(str string, v interface{}) error {
 	return ConfigDefault.UnmarshalFromString(str, v)
 }

vendor/github.com/json-iterator/go/any.go

@@ -312,6 +312,10 @@ func (codec *directAnyCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 
 func (codec *directAnyCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	any := *(*Any)(ptr)
+	if any == nil {
+		stream.WriteNil()
+		return
+	}
 	any.WriteTo(stream)
 }
 

vendor/github.com/json-iterator/go/go.mod

@@ -0,0 +1,11 @@
+module github.com/json-iterator/go
+
+go 1.12
+
+require (
+	github.com/davecgh/go-spew v1.1.1
+	github.com/google/gofuzz v1.0.0
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421
+	github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742
+	github.com/stretchr/testify v1.3.0
+)

vendor/github.com/json-iterator/go/go.sum

@@ -0,0 +1,14 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/google/gofuzz v1.0.0 h1:A8PeW59pxE9IoFRqBp37U+mSNaQoZ46F1f0f863XSXw=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=

vendor/github.com/json-iterator/go/iter.go

@@ -74,6 +74,7 @@ type Iterator struct {
 	buf              []byte
 	head             int
 	tail             int
+	depth            int
 	captureStartedAt int
 	captured         []byte
 	Error            error
@@ -88,6 +89,7 @@ func NewIterator(cfg API) *Iterator {
 		buf:    nil,
 		head:   0,
 		tail:   0,
+		depth:  0,
 	}
 }
 
@@ -99,6 +101,7 @@ func Parse(cfg API, reader io.Reader, bufSize int) *Iterator {
 		buf:    make([]byte, bufSize),
 		head:   0,
 		tail:   0,
+		depth:  0,
 	}
 }
 
@@ -110,6 +113,7 @@ func ParseBytes(cfg API, input []byte) *Iterator {
 		buf:    input,
 		head:   0,
 		tail:   len(input),
+		depth:  0,
 	}
 }
 
@@ -128,6 +132,7 @@ func (iter *Iterator) Reset(reader io.Reader) *Iterator {
 	iter.reader = reader
 	iter.head = 0
 	iter.tail = 0
+	iter.depth = 0
 	return iter
 }
 
@@ -137,6 +142,7 @@ func (iter *Iterator) ResetBytes(input []byte) *Iterator {
 	iter.buf = input
 	iter.head = 0
 	iter.tail = len(input)
+	iter.depth = 0
 	return iter
 }
 
@@ -320,3 +326,24 @@ func (iter *Iterator) Read() interface{} {
 		return nil
 	}
 }
+
+// limit maximum depth of nesting, as allowed by https://tools.ietf.org/html/rfc7159#section-9
+const maxDepth = 10000
+
+func (iter *Iterator) incrementDepth() (success bool) {
+	iter.depth++
+	if iter.depth <= maxDepth {
+		return true
+	}
+	iter.ReportError("incrementDepth", "exceeded max depth")
+	return false
+}
+
+func (iter *Iterator) decrementDepth() (success bool) {
+	iter.depth--
+	if iter.depth >= 0 {
+		return true
+	}
+	iter.ReportError("decrementDepth", "unexpected negative nesting")
+	return false
+}

vendor/github.com/json-iterator/go/iter_array.go

@@ -28,26 +28,32 @@ func (iter *Iterator) ReadArray() (ret bool) {
 func (iter *Iterator) ReadArrayCB(callback func(*Iterator) bool) (ret bool) {
 	c := iter.nextToken()
 	if c == '[' {
+		if !iter.incrementDepth() {
+			return false
+		}
 		c = iter.nextToken()
 		if c != ']' {
 			iter.unreadByte()
 			if !callback(iter) {
+				iter.decrementDepth()
 				return false
 			}
 			c = iter.nextToken()
 			for c == ',' {
 				if !callback(iter) {
+					iter.decrementDepth()
 					return false
 				}
 				c = iter.nextToken()
 			}
 			if c != ']' {
 				iter.ReportError("ReadArrayCB", "expect ] in the end, but found "+string([]byte{c}))
+				iter.decrementDepth()
 				return false
 			}
-			return true
+			return iter.decrementDepth()
 		}
-		return true
+		return iter.decrementDepth()
 	}
 	if c == 'n' {
 		iter.skipThreeBytes('u', 'l', 'l')

vendor/github.com/json-iterator/go/iter_float.go

@@ -77,14 +77,12 @@ func (iter *Iterator) ReadFloat32() (ret float32) {
 }
 
 func (iter *Iterator) readPositiveFloat32() (ret float32) {
-	value := uint64(0)
-	c := byte(' ')
 	i := iter.head
 	// first char
 	if i == iter.tail {
 		return iter.readFloat32SlowPath()
 	}
-	c = iter.buf[i]
+	c := iter.buf[i]
 	i++
 	ind := floatDigits[c]
 	switch ind {
@@ -107,7 +105,7 @@ func (iter *Iterator) readPositiveFloat32() (ret float32) {
 			return
 		}
 	}
-	value = uint64(ind)
+	value := uint64(ind)
 	// chars before dot
 non_decimal_loop:
 	for ; i < iter.tail; i++ {
@@ -145,9 +143,7 @@ non_decimal_loop:
 				}
 				// too many decimal places
 				return iter.readFloat32SlowPath()
-			case invalidCharForNumber:
-				fallthrough
-			case dotInNumber:
+			case invalidCharForNumber, dotInNumber:
 				return iter.readFloat32SlowPath()
 			}
 			decimalPlaces++
@@ -218,14 +214,12 @@ func (iter *Iterator) ReadFloat64() (ret float64) {
 }
 
 func (iter *Iterator) readPositiveFloat64() (ret float64) {
-	value := uint64(0)
-	c := byte(' ')
 	i := iter.head
 	// first char
 	if i == iter.tail {
 		return iter.readFloat64SlowPath()
 	}
-	c = iter.buf[i]
+	c := iter.buf[i]
 	i++
 	ind := floatDigits[c]
 	switch ind {
@@ -248,7 +242,7 @@ func (iter *Iterator) readPositiveFloat64() (ret float64) {
 			return
 		}
 	}
-	value = uint64(ind)
+	value := uint64(ind)
 	// chars before dot
 non_decimal_loop:
 	for ; i < iter.tail; i++ {
@@ -286,9 +280,7 @@ non_decimal_loop:
 				}
 				// too many decimal places
 				return iter.readFloat64SlowPath()
-			case invalidCharForNumber:
-				fallthrough
-			case dotInNumber:
+			case invalidCharForNumber, dotInNumber:
 				return iter.readFloat64SlowPath()
 			}
 			decimalPlaces++

vendor/github.com/json-iterator/go/iter_object.go

@@ -112,6 +112,9 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
 	c := iter.nextToken()
 	var field string
 	if c == '{' {
+		if !iter.incrementDepth() {
+			return false
+		}
 		c = iter.nextToken()
 		if c == '"' {
 			iter.unreadByte()
@@ -121,6 +124,7 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
 				iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
 			}
 			if !callback(iter, field) {
+				iter.decrementDepth()
 				return false
 			}
 			c = iter.nextToken()
@@ -131,20 +135,23 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
 					iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
 				}
 				if !callback(iter, field) {
+					iter.decrementDepth()
 					return false
 				}
 				c = iter.nextToken()
 			}
 			if c != '}' {
 				iter.ReportError("ReadObjectCB", `object not ended with }`)
+				iter.decrementDepth()
 				return false
 			}
-			return true
+			return iter.decrementDepth()
 		}
 		if c == '}' {
-			return true
+			return iter.decrementDepth()
 		}
 		iter.ReportError("ReadObjectCB", `expect " after }, but found `+string([]byte{c}))
+		iter.decrementDepth()
 		return false
 	}
 	if c == 'n' {
@@ -159,15 +166,20 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
 func (iter *Iterator) ReadMapCB(callback func(*Iterator, string) bool) bool {
 	c := iter.nextToken()
 	if c == '{' {
+		if !iter.incrementDepth() {
+			return false
+		}
 		c = iter.nextToken()
 		if c == '"' {
 			iter.unreadByte()
 			field := iter.ReadString()
 			if iter.nextToken() != ':' {
 				iter.ReportError("ReadMapCB", "expect : after object field, but found "+string([]byte{c}))
+				iter.decrementDepth()
 				return false
 			}
 			if !callback(iter, field) {
+				iter.decrementDepth()
 				return false
 			}
 			c = iter.nextToken()
@@ -175,23 +187,27 @@ func (iter *Iterator) ReadMapCB(callback func(*Iterator, string) bool) bool {
 				field = iter.ReadString()
 				if iter.nextToken() != ':' {
 					iter.ReportError("ReadMapCB", "expect : after object field, but found "+string([]byte{c}))
+					iter.decrementDepth()
 					return false
 				}
 				if !callback(iter, field) {
+					iter.decrementDepth()
 					return false
 				}
 				c = iter.nextToken()
 			}
 			if c != '}' {
 				iter.ReportError("ReadMapCB", `object not ended with }`)
+				iter.decrementDepth()
 				return false
 			}
-			return true
+			return iter.decrementDepth()
 		}
 		if c == '}' {
-			return true
+			return iter.decrementDepth()
 		}
 		iter.ReportError("ReadMapCB", `expect " after }, but found `+string([]byte{c}))
+		iter.decrementDepth()
 		return false
 	}
 	if c == 'n' {

vendor/github.com/json-iterator/go/iter_skip.go

@@ -37,17 +37,24 @@ func (iter *Iterator) SkipAndReturnBytes() []byte {
 	return iter.stopCapture()
 }
 
-type captureBuffer struct {
-	startedAt int
-	captured  []byte
+// SkipAndAppendBytes skips next JSON element and appends its content to
+// buffer, returning the result.
+func (iter *Iterator) SkipAndAppendBytes(buf []byte) []byte {
+	iter.startCaptureTo(buf, iter.head)
+	iter.Skip()
+	return iter.stopCapture()
 }
 
-func (iter *Iterator) startCapture(captureStartedAt int) {
+func (iter *Iterator) startCaptureTo(buf []byte, captureStartedAt int) {
 	if iter.captured != nil {
 		panic("already in capture mode")
 	}
 	iter.captureStartedAt = captureStartedAt
-	iter.captured = make([]byte, 0, 32)
+	iter.captured = buf
+}
+
+func (iter *Iterator) startCapture(captureStartedAt int) {
+	iter.startCaptureTo(make([]byte, 0, 32), captureStartedAt)
 }
 
 func (iter *Iterator) stopCapture() []byte {
@@ -58,13 +65,7 @@ func (iter *Iterator) stopCapture() []byte {
 	remaining := iter.buf[iter.captureStartedAt:iter.head]
 	iter.captureStartedAt = -1
 	iter.captured = nil
-	if len(captured) == 0 {
-		copied := make([]byte, len(remaining))
-		copy(copied, remaining)
-		return copied
-	}
-	captured = append(captured, remaining...)
-	return captured
+	return append(captured, remaining...)
 }
 
 // Skip skips a json object and positions to relatively the next json object

vendor/github.com/json-iterator/go/iter_skip_sloppy.go

@@ -22,6 +22,9 @@ func (iter *Iterator) skipNumber() {
 
 func (iter *Iterator) skipArray() {
 	level := 1
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		for i := iter.head; i < iter.tail; i++ {
 			switch iter.buf[i] {
@@ -31,8 +34,14 @@ func (iter *Iterator) skipArray() {
 				i = iter.head - 1 // it will be i++ soon
 			case '[': // If open symbol, increase level
 				level++
+				if !iter.incrementDepth() {
+					return
+				}
 			case ']': // If close symbol, increase level
 				level--
+				if !iter.decrementDepth() {
+					return
+				}
 
 				// If we have returned to the original level, we're done
 				if level == 0 {
@@ -50,6 +59,10 @@ func (iter *Iterator) skipArray() {
 
 func (iter *Iterator) skipObject() {
 	level := 1
+	if !iter.incrementDepth() {
+		return
+	}
+
 	for {
 		for i := iter.head; i < iter.tail; i++ {
 			switch iter.buf[i] {
@@ -59,8 +72,14 @@ func (iter *Iterator) skipObject() {
 				i = iter.head - 1 // it will be i++ soon
 			case '{': // If open symbol, increase level
 				level++
+				if !iter.incrementDepth() {
+					return
+				}
 			case '}': // If close symbol, increase level
 				level--
+				if !iter.decrementDepth() {
+					return
+				}
 
 				// If we have returned to the original level, we're done
 				if level == 0 {

vendor/github.com/json-iterator/go/iter_skip_strict.go

@@ -2,12 +2,22 @@
 
 package jsoniter
 
-import "fmt"
+import (
+	"fmt"
+	"io"
+)
 
 func (iter *Iterator) skipNumber() {
 	if !iter.trySkipNumber() {
 		iter.unreadByte()
-		iter.ReadFloat32()
+		if iter.Error != nil && iter.Error != io.EOF {
+			return
+		}
+		iter.ReadFloat64()
+		if iter.Error != nil && iter.Error != io.EOF {
+			iter.Error = nil
+			iter.ReadBigFloat()
+		}
 	}
 }
 

vendor/github.com/json-iterator/go/reflect.go

@@ -60,6 +60,7 @@ func (b *ctx) append(prefix string) *ctx {
 
 // ReadVal copy the underlying JSON into go interface, same as json.Unmarshal
 func (iter *Iterator) ReadVal(obj interface{}) {
+	depth := iter.depth
 	cacheKey := reflect2.RTypeOf(obj)
 	decoder := iter.cfg.getDecoderFromCache(cacheKey)
 	if decoder == nil {
@@ -76,6 +77,10 @@ func (iter *Iterator) ReadVal(obj interface{}) {
 		return
 	}
 	decoder.Decode(ptr, iter)
+	if iter.depth != depth {
+		iter.ReportError("ReadVal", "unexpected mismatched nesting")
+		return
+	}
 }
 
 // WriteVal copy the go interface into underlying JSON, same as json.Marshal

vendor/github.com/json-iterator/go/reflect_extension.go

@@ -338,13 +338,13 @@ func describeStruct(ctx *ctx, typ reflect2.Type) *StructDescriptor {
 	for i := 0; i < structType.NumField(); i++ {
 		field := structType.Field(i)
 		tag, hastag := field.Tag().Lookup(ctx.getTagKey())
-		if ctx.onlyTaggedField && !hastag {
+		if ctx.onlyTaggedField && !hastag && !field.Anonymous() {
 			continue
 		}
-		tagParts := strings.Split(tag, ",")
 		if tag == "-" {
 			continue
 		}
+		tagParts := strings.Split(tag, ",")
 		if field.Anonymous() && (tag == "" || tagParts[0] == "") {
 			if field.Type().Kind() == reflect.Struct {
 				structDescriptor := describeStruct(ctx, field.Type())

vendor/github.com/json-iterator/go/reflect_map.go

@@ -64,14 +64,26 @@ func decoderOfMapKey(ctx *ctx, typ reflect2.Type) ValDecoder {
 		return &numericMapKeyDecoder{decoderOfType(ctx, typ)}
 	default:
 		ptrType := reflect2.PtrTo(typ)
-		if ptrType.Implements(textMarshalerType) {
+		if ptrType.Implements(unmarshalerType) {
+			return &referenceDecoder{
+				&unmarshalerDecoder{
+					valType: ptrType,
+				},
+			}
+		}
+		if typ.Implements(unmarshalerType) {
+			return &unmarshalerDecoder{
+				valType: typ,
+			}
+		}
+		if ptrType.Implements(textUnmarshalerType) {
 			return &referenceDecoder{
 				&textUnmarshalerDecoder{
 					valType: ptrType,
 				},
 			}
 		}
-		if typ.Implements(textMarshalerType) {
+		if typ.Implements(textUnmarshalerType) {
 			return &textUnmarshalerDecoder{
 				valType: typ,
 			}
@@ -237,6 +249,10 @@ type mapEncoder struct {
 }
 
 func (encoder *mapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
+	if *(*unsafe.Pointer)(ptr) == nil {
+		stream.WriteNil()
+		return
+	}
 	stream.WriteObjectStart()
 	iter := encoder.mapType.UnsafeIterate(ptr)
 	for i := 0; iter.HasNext(); i++ {

vendor/github.com/json-iterator/go/reflect_marshaler.go

@@ -3,8 +3,9 @@ package jsoniter
 import (
 	"encoding"
 	"encoding/json"
-	"github.com/modern-go/reflect2"
 	"unsafe"
+
+	"github.com/modern-go/reflect2"
 )
 
 var marshalerType = reflect2.TypeOfPtr((*json.Marshaler)(nil)).Elem()
@@ -98,6 +99,12 @@ func (encoder *marshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
 	if err != nil {
 		stream.Error = err
 	} else {
+		// html escape was already done by jsoniter
+		// but the extra '\n' should be trimed
+		l := len(bytes)
+		if l > 0 && bytes[l-1] == '\n' {
+			bytes = bytes[:l-1]
+		}
 		stream.Write(bytes)
 	}
 }

vendor/github.com/json-iterator/go/reflect_native.go

@@ -432,17 +432,19 @@ func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 }
 
 func (codec *base64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
-	src := *((*[]byte)(ptr))
-	if len(src) == 0 {
+	if codec.sliceType.UnsafeIsNil(ptr) {
 		stream.WriteNil()
 		return
 	}
+	src := *((*[]byte)(ptr))
 	encoding := base64.StdEncoding
 	stream.writeByte('"')
-	size := encoding.EncodedLen(len(src))
-	buf := make([]byte, size)
-	encoding.Encode(buf, src)
-	stream.buf = append(stream.buf, buf...)
+	if len(src) != 0 {
+		size := encoding.EncodedLen(len(src))
+		buf := make([]byte, size)
+		encoding.Encode(buf, src)
+		stream.buf = append(stream.buf, buf...)
+	}
 	stream.writeByte('"')
 }
 

vendor/github.com/json-iterator/go/reflect_struct_decoder.go

@@ -500,6 +500,9 @@ func (decoder *generalStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	var c byte
 	for c = ','; c == ','; c = iter.nextToken() {
 		decoder.decodeOneField(ptr, iter)
@@ -510,6 +513,7 @@ func (decoder *generalStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
 	if c != '}' {
 		iter.ReportError("struct Decode", `expect }, but found `+string([]byte{c}))
 	}
+	iter.decrementDepth()
 }
 
 func (decoder *generalStructDecoder) decodeOneField(ptr unsafe.Pointer, iter *Iterator) {
@@ -530,8 +534,8 @@ func (decoder *generalStructDecoder) decodeOneField(ptr unsafe.Pointer, iter *It
 		}
 	}
 	if fieldDecoder == nil {
-		msg := "found unknown field: " + field
 		if decoder.disallowUnknownFields {
+			msg := "found unknown field: " + field
 			iter.ReportError("ReadObject", msg)
 		}
 		c := iter.nextToken()
@@ -571,6 +575,9 @@ func (decoder *oneFieldStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		if iter.readFieldHash() == decoder.fieldHash {
 			decoder.fieldDecoder.Decode(ptr, iter)
@@ -584,6 +591,7 @@ func (decoder *oneFieldStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type twoFieldsStructDecoder struct {
@@ -598,6 +606,9 @@ func (decoder *twoFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -614,6 +625,7 @@ func (decoder *twoFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type threeFieldsStructDecoder struct {
@@ -630,6 +642,9 @@ func (decoder *threeFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -648,6 +663,7 @@ func (decoder *threeFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type fourFieldsStructDecoder struct {
@@ -666,6 +682,9 @@ func (decoder *fourFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -686,6 +705,7 @@ func (decoder *fourFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type fiveFieldsStructDecoder struct {
@@ -706,6 +726,9 @@ func (decoder *fiveFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -728,6 +751,7 @@ func (decoder *fiveFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type sixFieldsStructDecoder struct {
@@ -750,6 +774,9 @@ func (decoder *sixFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -774,6 +801,7 @@ func (decoder *sixFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type sevenFieldsStructDecoder struct {
@@ -798,6 +826,9 @@ func (decoder *sevenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -824,6 +855,7 @@ func (decoder *sevenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type eightFieldsStructDecoder struct {
@@ -850,6 +882,9 @@ func (decoder *eightFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -878,6 +913,7 @@ func (decoder *eightFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type nineFieldsStructDecoder struct {
@@ -906,6 +942,9 @@ func (decoder *nineFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -936,6 +975,7 @@ func (decoder *nineFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type tenFieldsStructDecoder struct {
@@ -966,6 +1006,9 @@ func (decoder *tenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
 	if !iter.readObjectStart() {
 		return
 	}
+	if !iter.incrementDepth() {
+		return
+	}
 	for {
 		switch iter.readFieldHash() {
 		case decoder.fieldHash1:
@@ -998,6 +1041,7 @@ func (decoder *tenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
 	if iter.Error != nil && iter.Error != io.EOF {
 		iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
 	}
+	iter.decrementDepth()
 }
 
 type structFieldDecoder struct {

vendor/github.com/json-iterator/go/stream_float.go

@@ -1,6 +1,7 @@
 package jsoniter
 
 import (
+	"fmt"
 	"math"
 	"strconv"
 )
@@ -13,6 +14,10 @@ func init() {
 
 // WriteFloat32 write float32 to stream
 func (stream *Stream) WriteFloat32(val float32) {
+	if math.IsInf(float64(val), 0) || math.IsNaN(float64(val)) {
+		stream.Error = fmt.Errorf("unsupported value: %f", val)
+		return
+	}
 	abs := math.Abs(float64(val))
 	fmt := byte('f')
 	// Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right.
@@ -26,6 +31,10 @@ func (stream *Stream) WriteFloat32(val float32) {
 
 // WriteFloat32Lossy write float32 to stream with ONLY 6 digits precision although much much faster
 func (stream *Stream) WriteFloat32Lossy(val float32) {
+	if math.IsInf(float64(val), 0) || math.IsNaN(float64(val)) {
+		stream.Error = fmt.Errorf("unsupported value: %f", val)
+		return
+	}
 	if val < 0 {
 		stream.writeByte('-')
 		val = -val
@@ -54,6 +63,10 @@ func (stream *Stream) WriteFloat32Lossy(val float32) {
 
 // WriteFloat64 write float64 to stream
 func (stream *Stream) WriteFloat64(val float64) {
+	if math.IsInf(val, 0) || math.IsNaN(val) {
+		stream.Error = fmt.Errorf("unsupported value: %f", val)
+		return
+	}
 	abs := math.Abs(val)
 	fmt := byte('f')
 	// Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right.
@@ -67,6 +80,10 @@ func (stream *Stream) WriteFloat64(val float64) {
 
 // WriteFloat64Lossy write float64 to stream with ONLY 6 digits precision although much much faster
 func (stream *Stream) WriteFloat64Lossy(val float64) {
+	if math.IsInf(val, 0) || math.IsNaN(val) {
+		stream.Error = fmt.Errorf("unsupported value: %f", val)
+		return
+	}
 	if val < 0 {
 		stream.writeByte('-')
 		val = -val