Update dependencies

client/package.json

@@ -22,7 +22,7 @@
     "@babel/preset-env": "^7.9.5",
     "@babel/preset-react": "^7.9.4",
     "babel-eslint": "^10.1.0",
-    "babel-jest": "^25.5.0",
+    "babel-jest": "^26.0.1",
     "babel-loader": "^8.1.0",
     "brotli": "^1.3.1",
     "copy-webpack-plugin": "^5.1.1",
@@ -37,12 +37,12 @@
     "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-jsx-a11y": "^6.2.3",
     "eslint-plugin-react": "^7.19.0",
-    "eslint-plugin-react-hooks": "^3.0.0",
+    "eslint-plugin-react-hooks": "^4.0.0",
     "express": "^4.17.1",
     "express-http-proxy": "^1.6.0",
     "gulp": "4.0.2",
     "gulp-util": "^3.0.8",
-    "jest": "^25.5.0",
+    "jest": "^26.0.1",
     "mini-css-extract-plugin": "^0.9.0",
     "postcss-flexbugs-fixes": "^4.2.1",
     "postcss-loader": "^3.0.0",
@@ -50,7 +50,7 @@
     "prettier": "2.0.5",
     "react-test-renderer": "16.13.1",
     "style-loader": "^1.2.1",
-    "terser-webpack-plugin": "^2.3.6",
+    "terser-webpack-plugin": "^3.0.1",
     "through2": "^3.0.1",
     "webpack": "^4.43.0",
     "webpack-dev-middleware": "^3.7.2",
@@ -67,12 +67,12 @@
     "formik": "^2.1.4",
     "history": "^5.0.0-beta.8",
     "hsluv": "^0.1.0",
-    "immer": "^6.0.3",
+    "immer": "^6.0.5",
     "js-cookie": "^2.2.1",
     "lodash": "^4.17.15",
     "react": "16.13.1",
     "react-dom": "16.13.1",
-    "react-hot-loader": "^4.12.20",
+    "react-hot-loader": "^4.12.21",
     "react-icons": "^3.7.0",
     "react-modal": "^3.11.2",
     "react-redux": "^7.2.0",

go.mod

@@ -17,12 +17,12 @@ require (
 	github.com/fsnotify/fsnotify v1.4.9
 	github.com/glycerine/go-unsnap-stream v0.0.0-20190901134440-81cf024a9e0a // indirect
 	github.com/go-acme/lego/v3 v3.6.0 // indirect
-	github.com/golang/protobuf v1.4.0 // indirect
+	github.com/golang/protobuf v1.4.1 // indirect
 	github.com/gorilla/websocket v1.4.2
 	github.com/jmhodges/levigo v1.0.0 // indirect
 	github.com/jpillora/backoff v1.0.0
 	github.com/kjk/betterguid v0.0.0-20170621091430-c442874ba63a
-	github.com/klauspost/cpuid v1.2.3
+	github.com/klauspost/cpuid v1.2.4
 	github.com/mailru/easyjson v0.7.2-0.20200424172602-f0a000e7a8e0
 	github.com/miekg/dns v1.1.29 // indirect
 	github.com/mitchellh/go-homedir v1.1.0
@@ -42,9 +42,9 @@ require (
 	github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c // indirect
 	github.com/tinylib/msgp v1.1.2 // indirect
 	go.etcd.io/bbolt v1.3.4
-	golang.org/x/crypto v0.0.0-20200427165652-729f1e841bcc // indirect
+	golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79 // indirect
-	golang.org/x/net v0.0.0-20200425230154-ff2c4b7c35a0
+	golang.org/x/net v0.0.0-20200506145744-7e3656a0809f
-	golang.org/x/sys v0.0.0-20200428200454-593003d681fa // indirect
+	golang.org/x/sys v0.0.0-20200501145240-bc7a7d42d5c3 // indirect
 	gopkg.in/ini.v1 v1.55.0 // indirect
-	gopkg.in/square/go-jose.v2 v2.5.0 // indirect
+	gopkg.in/square/go-jose.v2 v2.5.1 // indirect
 )

go.sum

@@ -192,6 +192,8 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
 github.com/golang/protobuf v1.4.0 h1:oOuy+ugB+P/kBdUnG5QaMXSIyJ1q38wWSojYCb3z5VQ=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.1 h1:ZFgWrT+bLgsYPirOnRfKLYJLvssAegOj/hgyMFdJZe0=
+github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db h1:woRePGFeVFfLKN/pOkfl+p/TAqKOfFu+7KPlMVpok/w=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
@@ -268,6 +270,8 @@ github.com/klauspost/cpuid v1.2.0 h1:NMpwD2G9JSFOE1/TJjGSo5zG7Yb2bTe7eq1jH+irmeE
 github.com/klauspost/cpuid v1.2.0/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
 github.com/klauspost/cpuid v1.2.3 h1:CCtW0xUnWGVINKvE/WWOYKdsPV6mawAtvQuSl8guwQs=
 github.com/klauspost/cpuid v1.2.3/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
+github.com/klauspost/cpuid v1.2.4 h1:EBfaK0SWSwk+fgk6efYFWdzl8MwRWoOO1gkmiaTXPW4=
+github.com/klauspost/cpuid v1.2.4/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
 github.com/kljensen/snowball v0.6.0 h1:6DZLCcZeL0cLfodx+Md4/OLC6b/bfurWUOUGs1ydfOU=
 github.com/kljensen/snowball v0.6.0/go.mod h1:27N7E8fVU5H68RlUmnWwZCfxgt4POBJfENGMvNRhldw=
 github.com/kolo/xmlrpc v0.0.0-20190717152603-07c4ee3fd181/go.mod h1:o03bZfuBwAXHetKXuInt4S7omeXUu62/A845kiycsSQ=
@@ -494,6 +498,8 @@ golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073 h1:xMPOj6Pz6UipU1wXLkrtqp
 golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200427165652-729f1e841bcc h1:ZGI/fILM2+ueot/UixBSoj9188jCAxVHEZEGhqq67I4=
 golang.org/x/crypto v0.0.0-20200427165652-729f1e841bcc/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79 h1:IaQbIIB2X/Mp/DKctl6ROxz1KyMlKp4uyvL6+kQ7C88=
+golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -554,6 +560,8 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200425230154-ff2c4b7c35a0 h1:Jcxah/M+oLZ/R4/z5RzfPzGbPXnVDPkEDtf2JnuxN+U=
 golang.org/x/net v0.0.0-20200425230154-ff2c4b7c35a0/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200506145744-7e3656a0809f h1:QBjCr1Fz5kw158VqdE9JfI9cJnl/ymnJWAdMuinqL7Y=
+golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -606,6 +614,8 @@ golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200428200454-593003d681fa h1:yMbJOvnfYkO1dSAviTu/ZguZWLBTXx4xE3LYrxUCCiA=
 golang.org/x/sys v0.0.0-20200428200454-593003d681fa/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200501145240-bc7a7d42d5c3 h1:5B6i6EAiSYyejWfvc5Rc9BbI3rzIsrrXfAQBWnYfn+w=
+golang.org/x/sys v0.0.0-20200501145240-bc7a7d42d5c3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -704,6 +714,8 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0 h1:qdOKuR/EIArgaWNjetjgTzgVTAZ+S/WXVrq9HW9zimw=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0 h1:cJv5/xdbk1NnMPR1VP9+HU6gupuG9MLBoH1r6RHZ2MY=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -727,6 +739,8 @@ gopkg.in/square/go-jose.v2 v2.3.1 h1:SK5KegNXmKmqE342YYN2qPHEnUYeoMiXXl1poUlI+o4
 gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/square/go-jose.v2 v2.5.0 h1:OZ4sdq+Y+SHfYB7vfthi1Ei8b0vkP8ZPQgUfUwdUSqo=
 gopkg.in/square/go-jose.v2 v2.5.0/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
+gopkg.in/square/go-jose.v2 v2.5.1 h1:7odma5RETjNHWJnR32wx8t+Io4djHE1PqxCFx3iiZ2w=
+gopkg.in/square/go-jose.v2 v2.5.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=

vendor/github.com/golang/protobuf/proto/buffer.go

@@ -33,8 +33,8 @@ func SizeVarint(v uint64) int {
 	return protowire.SizeVarint(v)
 }
 
-// DecodeVarint parses a varint encoded integer from b, returning the
+// DecodeVarint parses a varint encoded integer from b,
-// integer value and the length of the varint.
+// returning the integer value and the length of the varint.
 // It returns (0, 0) if there is a parse error.
 func DecodeVarint(b []byte) (uint64, int) {
 	v, n := protowire.ConsumeVarint(b)
@@ -112,9 +112,9 @@ func (b *Buffer) Marshal(m Message) error {
 	return err
 }
 
-// Unmarshal parses the wire-format message in the buffer and places the decoded results in m.
+// Unmarshal parses the wire-format message in the buffer and
-//
+// places the decoded results in m.
-// Unlike proto.Unmarshal, this does not reset the message before starting to unmarshal.
+// It does not reset m before unmarshaling.
 func (b *Buffer) Unmarshal(m Message) error {
 	err := UnmarshalMerge(b.Unread(), m)
 	b.idx = len(b.buf)
@@ -260,7 +260,7 @@ func (b *Buffer) DecodeStringBytes() (string, error) {
 }
 
 // DecodeMessage consumes a length-prefixed message from the buffer.
-// It does not reset m.
+// It does not reset m before unmarshaling.
 func (b *Buffer) DecodeMessage(m Message) error {
 	v, err := b.DecodeRawBytes(false)
 	if err != nil {
@@ -272,7 +272,7 @@ func (b *Buffer) DecodeMessage(m Message) error {
 // DecodeGroup consumes a message group from the buffer.
 // It assumes that the start group marker has already been consumed and
 // consumes all bytes until (and including the end group marker).
-// It does not reset m.
+// It does not reset m before unmarshaling.
 func (b *Buffer) DecodeGroup(m Message) error {
 	v, n, err := consumeGroup(b.buf[b.idx:])
 	if err != nil {

vendor/github.com/golang/protobuf/proto/extensions.go

@@ -68,7 +68,7 @@ func HasExtension(m Message, xt *ExtensionDesc) (has bool) {
 	return has
 }
 
-// ClearExtension removes the the exntesion field from m
+// ClearExtension removes the extension field from m
 // either as an explicitly populated field or as an unknown field.
 func ClearExtension(m Message, xt *ExtensionDesc) {
 	mr := MessageReflect(m)
@@ -108,7 +108,7 @@ func ClearAllExtensions(m Message) {
 	clearUnknown(mr, mr.Descriptor().ExtensionRanges())
 }
 
-// GetExtension retrieves a proto2 extended field from pb.
+// GetExtension retrieves a proto2 extended field from m.
 //
 // If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil),
 // then GetExtension parses the encoded field and returns a Go value of the specified type.

vendor/github.com/golang/protobuf/proto/registry.go

@@ -29,7 +29,7 @@ var fileCache sync.Map // map[filePath]fileDescGZIP
 // RegisterFile is called from generated code to register the compressed
 // FileDescriptorProto with the file path for a proto source file.
 //
-// Deprecated: Use protoregistry.GlobalFiles.Register instead.
+// Deprecated: Use protoregistry.GlobalFiles.RegisterFile instead.
 func RegisterFile(s filePath, d fileDescGZIP) {
 	// Decompress the descriptor.
 	zr, err := gzip.NewReader(bytes.NewReader(d))
@@ -53,7 +53,7 @@ func RegisterFile(s filePath, d fileDescGZIP) {
 // FileDescriptor returns the compressed FileDescriptorProto given the file path
 // for a proto source file. It returns nil if not found.
 //
-// Deprecated: Use protoregistry.GlobalFiles.RangeFilesByPath instead.
+// Deprecated: Use protoregistry.GlobalFiles.FindFileByPath instead.
 func FileDescriptor(s filePath) fileDescGZIP {
 	if v, ok := fileCache.Load(s); ok {
 		return v.(fileDescGZIP)
@@ -98,7 +98,7 @@ var numFilesCache sync.Map // map[protoreflect.FullName]int
 // RegisterEnum is called from the generated code to register the mapping of
 // enum value names to enum numbers for the enum identified by s.
 //
-// Deprecated: Use protoregistry.GlobalTypes.Register instead.
+// Deprecated: Use protoregistry.GlobalTypes.RegisterEnum instead.
 func RegisterEnum(s enumName, _ enumsByNumber, m enumsByName) {
 	if _, ok := enumCache.Load(s); ok {
 		panic("proto: duplicate enum registered: " + s)
@@ -181,7 +181,7 @@ var messageTypeCache sync.Map // map[messageName]reflect.Type
 // RegisterType is called from generated code to register the message Go type
 // for a message of the given name.
 //
-// Deprecated: Use protoregistry.GlobalTypes.Register instead.
+// Deprecated: Use protoregistry.GlobalTypes.RegisterMessage instead.
 func RegisterType(m Message, s messageName) {
 	mt := protoimpl.X.LegacyMessageTypeOf(m, protoreflect.FullName(s))
 	if err := protoregistry.GlobalTypes.RegisterMessage(mt); err != nil {
@@ -280,7 +280,7 @@ func MessageName(m Message) messageName {
 // RegisterExtension is called from the generated code to register
 // the extension descriptor.
 //
-// Deprecated: Use protoregistry.GlobalTypes.Register instead.
+// Deprecated: Use protoregistry.GlobalTypes.RegisterExtension instead.
 func RegisterExtension(d *ExtensionDesc) {
 	if err := protoregistry.GlobalTypes.RegisterExtension(d); err != nil {
 		panic(err)

vendor/github.com/golang/protobuf/proto/text_encode.go

@@ -94,16 +94,16 @@ var (
 )
 
 // MarshalText writes the proto text format of m to w.
-func MarshalText(w io.Writer, pb Message) error { return defaultTextMarshaler.Marshal(w, pb) }
+func MarshalText(w io.Writer, m Message) error { return defaultTextMarshaler.Marshal(w, m) }
 
 // MarshalTextString returns a proto text formatted string of m.
-func MarshalTextString(pb Message) string { return defaultTextMarshaler.Text(pb) }
+func MarshalTextString(m Message) string { return defaultTextMarshaler.Text(m) }
 
 // CompactText writes the compact proto text format of m to w.
-func CompactText(w io.Writer, pb Message) error { return compactTextMarshaler.Marshal(w, pb) }
+func CompactText(w io.Writer, m Message) error { return compactTextMarshaler.Marshal(w, m) }
 
 // CompactTextString returns a compact proto text formatted string of m.
-func CompactTextString(pb Message) string { return compactTextMarshaler.Text(pb) }
+func CompactTextString(m Message) string { return compactTextMarshaler.Text(m) }
 
 var (
 	newline         = []byte("\n")

vendor/github.com/klauspost/cpuid/cpuid.go

@@ -10,7 +10,13 @@
 // Package home: https://github.com/klauspost/cpuid
 package cpuid
 
-import "strings"
+import (
+	"math"
+	"strings"
+)
+
+// AMD refererence: https://www.amd.com/system/files/TechDocs/25481.pdf
+// and Processor Programming Reference (PPR)
 
 // Vendor is a representation of a CPU vendor.
 type Vendor int
@@ -178,11 +184,12 @@ type CPUInfo struct {
 	Family         int    // CPU family number
 	Model          int    // CPU model number
 	CacheLine      int    // Cache line size in bytes. Will be 0 if undetectable.
+	Hz             int64  // Clock speed, if known
 	Cache          struct {
 		L1I int // L1 Instruction Cache (per core or shared). Will be -1 if undetected
 		L1D int // L1 Data Cache (per core or shared). Will be -1 if undetected
 		L2  int // L2 Cache (per core or shared). Will be -1 if undetected
-		L3  int // L3 Instruction Cache (per core or shared). Will be -1 if undetected
+		L3  int // L3 Cache (per core, per ccx or shared). Will be -1 if undetected
 	}
 	SGX       SGXSupport
 	maxFunc   uint32
@@ -225,6 +232,7 @@ func Detect() {
 	CPU.LogicalCores = logicalCores()
 	CPU.PhysicalCores = physicalCores()
 	CPU.VendorID = vendorID()
+	CPU.Hz = hertz(CPU.BrandName)
 	CPU.cacheSize()
 }
 
@@ -601,6 +609,65 @@ func (c CPUInfo) LogicalCPU() int {
 	return int(ebx >> 24)
 }
 
+// hertz tries to compute the clock speed of the CPU. If leaf 15 is
+// supported, use it, otherwise parse the brand string. Yes, really.
+func hertz(model string) int64 {
+	mfi := maxFunctionID()
+	if mfi >= 0x15 {
+		eax, ebx, ecx, _ := cpuid(0x15)
+		if eax != 0 && ebx != 0 && ecx != 0 {
+			return int64((int64(ecx) * int64(ebx)) / int64(eax))
+		}
+	}
+	// computeHz determines the official rated speed of a CPU from its brand
+	// string. This insanity is *actually the official documented way to do
+	// this according to Intel*, prior to leaf 0x15 existing. The official
+	// documentation only shows this working for exactly `x.xx` or `xxxx`
+	// cases, e.g., `2.50GHz` or `1300MHz`; this parser will accept other
+	// sizes.
+	hz := strings.LastIndex(model, "Hz")
+	if hz < 3 {
+		return -1
+	}
+	var multiplier int64
+	switch model[hz-1] {
+	case 'M':
+		multiplier = 1000 * 1000
+	case 'G':
+		multiplier = 1000 * 1000 * 1000
+	case 'T':
+		multiplier = 1000 * 1000 * 1000 * 1000
+	}
+	if multiplier == 0 {
+		return -1
+	}
+	freq := int64(0)
+	divisor := int64(0)
+	decimalShift := int64(1)
+	var i int
+	for i = hz - 2; i >= 0 && model[i] != ' '; i-- {
+		if model[i] >= '0' && model[i] <= '9' {
+			freq += int64(model[i]-'0') * decimalShift
+			decimalShift *= 10
+		} else if model[i] == '.' {
+			if divisor != 0 {
+				return -1
+			}
+			divisor = decimalShift
+		} else {
+			return -1
+		}
+	}
+	// we didn't find a space
+	if i < 0 {
+		return -1
+	}
+	if divisor != 0 {
+		return (freq * multiplier) / divisor
+	}
+	return freq * multiplier
+}
+
 // VM Will return true if the cpu id indicates we are in
 // a virtual machine. This is only a hint, and will very likely
 // have many false negatives.
@@ -659,11 +726,14 @@ func brandName() string {
 
 func threadsPerCore() int {
 	mfi := maxFunctionID()
-	if mfi < 0x4 || vendorID() != Intel {
+	if mfi < 0x4 || (vendorID() != Intel && vendorID() != AMD) {
 		return 1
 	}
 
 	if mfi < 0xb {
+		if vendorID() != Intel {
+			return 1
+		}
 		_, b, _, d := cpuid(1)
 		if (d & (1 << 28)) != 0 {
 			// v will contain logical core count
@@ -727,6 +797,13 @@ func physicalCores() int {
 	case Intel:
 		return logicalCores() / threadsPerCore()
 	case AMD, Hygon:
+		lc := logicalCores()
+		tpc := threadsPerCore()
+		if lc > 0 && tpc > 0 {
+			return lc / tpc
+		}
+		// The following is inaccurate on AMD EPYC 7742 64-Core Processor
+
 		if maxExtendedFunction() >= 0x80000008 {
 			_, _, c, _ := cpuid(0x80000008)
 			return int(c&0xff) + 1
@@ -837,6 +914,49 @@ func (c *CPUInfo) cacheSize() {
 		}
 		_, _, ecx, _ = cpuid(0x80000006)
 		c.Cache.L2 = int(((ecx >> 16) & 0xFFFF) * 1024)
+
+		// CPUID Fn8000_001D_EAX_x[N:0] Cache Properties
+		if maxExtendedFunction() < 0x8000001D {
+			return
+		}
+		for i := uint32(0); i < math.MaxUint32; i++ {
+			eax, ebx, ecx, _ := cpuidex(0x8000001D, i)
+
+			level := (eax >> 5) & 7
+			cacheNumSets := ecx + 1
+			cacheLineSize := 1 + (ebx & 2047)
+			cachePhysPartitions := 1 + ((ebx >> 12) & 511)
+			cacheNumWays := 1 + ((ebx >> 22) & 511)
+
+			typ := eax & 15
+			size := int(cacheNumSets * cacheLineSize * cachePhysPartitions * cacheNumWays)
+			if typ == 0 {
+				return
+			}
+
+			switch level {
+			case 1:
+				switch typ {
+				case 1:
+					// Data cache
+					c.Cache.L1D = size
+				case 2:
+					// Inst cache
+					c.Cache.L1I = size
+				default:
+					if c.Cache.L1D < 0 {
+						c.Cache.L1I = size
+					}
+					if c.Cache.L1I < 0 {
+						c.Cache.L1I = size
+					}
+				}
+			case 2:
+				c.Cache.L2 = size
+			case 3:
+				c.Cache.L3 = size
+			}
+		}
 	}
 
 	return
@@ -954,7 +1074,11 @@ func support() Flags {
 			rval |= HTT
 		}
 	}
-
+	if vend == AMD && (d&(1<<28)) != 0 && mfi >= 4 {
+		if threadsPerCore() > 1 {
+			rval |= HTT
+		}
+	}
 	// Check XGETBV, OXSAVE and AVX bits
 	if c&(1<<26) != 0 && c&(1<<27) != 0 && c&(1<<28) != 0 {
 		// Check for OS support

vendor/golang.org/x/net/ipv4/header.go

@@ -14,9 +14,8 @@ import (
 )
 
 const (
-	Version      = 4  // protocol version
+	Version   = 4  // protocol version
-	HeaderLen    = 20 // header length without extension headers
+	HeaderLen = 20 // header length without extension headers
-	maxHeaderLen = 60 // sensible default, revisit if later RFCs define new usage of version and header length fields
 )
 
 type HeaderFlags int

vendor/golang.org/x/sys/internal/unsafeheader/unsafeheader.go

@@ -0,0 +1,30 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package unsafeheader contains header declarations for the Go runtime's
+// slice and string implementations.
+//
+// This package allows x/sys to use types equivalent to
+// reflect.SliceHeader and reflect.StringHeader without introducing
+// a dependency on the (relatively heavy) "reflect" package.
+package unsafeheader
+
+import (
+	"unsafe"
+)
+
+// Slice is the runtime representation of a slice.
+// It cannot be used safely or portably and its representation may change in a later release.
+type Slice struct {
+	Data unsafe.Pointer
+	Len  int
+	Cap  int
+}
+
+// String is the runtime representation of a string.
+// It cannot be used safely or portably and its representation may change in a later release.
+type String struct {
+	Data unsafe.Pointer
+	Len  int
+}

vendor/golang.org/x/sys/unix/mkerrors.sh

@@ -187,6 +187,7 @@ struct ltchars {
 #include <sys/select.h>
 #include <sys/signalfd.h>
 #include <sys/socket.h>
+#include <sys/timerfd.h>
 #include <sys/uio.h>
 #include <sys/xattr.h>
 #include <linux/bpf.h>
@@ -480,7 +481,7 @@ ccflags="$@"
 		$2 ~ /^(MS|MNT|UMOUNT)_/ ||
 		$2 ~ /^NS_GET_/ ||
 		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
-		$2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT)_/ ||
+		$2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT|TFD)_/ ||
 		$2 ~ /^KEXEC_/ ||
 		$2 ~ /^LINUX_REBOOT_CMD_/ ||
 		$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||

vendor/golang.org/x/sys/unix/syscall_darwin.1_13.go

@@ -6,7 +6,11 @@
 
 package unix
 
-import "unsafe"
+import (
+	"unsafe"
+
+	"golang.org/x/sys/internal/unsafeheader"
+)
 
 //sys	closedir(dir uintptr) (err error)
 //sys	readdir_r(dir uintptr, entry *Dirent, result **Dirent) (res Errno)
@@ -71,6 +75,7 @@ func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 			cnt++
 			continue
 		}
+
 		reclen := int(entry.Reclen)
 		if reclen > len(buf) {
 			// Not enough room. Return for now.
@@ -79,13 +84,15 @@ func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 			// restarting is O(n^2) in the length of the directory. Oh well.
 			break
 		}
+
 		// Copy entry into return buffer.
-		s := struct {
+		var s []byte
-			ptr unsafe.Pointer
+		hdr := (*unsafeheader.Slice)(unsafe.Pointer(&s))
-			siz int
+		hdr.Data = unsafe.Pointer(&entry)
-			cap int
+		hdr.Cap = reclen
-		}{ptr: unsafe.Pointer(&entry), siz: reclen, cap: reclen}
+		hdr.Len = reclen
-		copy(buf, *(*[]byte)(unsafe.Pointer(&s)))
+		copy(buf, s)
+
 		buf = buf[reclen:]
 		n += reclen
 		cnt++

vendor/golang.org/x/sys/unix/syscall_linux.go

@@ -1633,6 +1633,15 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
 //sys	DeleteModule(name string, flags int) (err error)
 //sys	Dup(oldfd int) (fd int, err error)
+
+func Dup2(oldfd, newfd int) error {
+	// Android O and newer blocks dup2; riscv and arm64 don't implement dup2.
+	if runtime.GOOS == "android" || runtime.GOARCH == "riscv64" || runtime.GOARCH == "arm64" {
+		return Dup3(oldfd, newfd, 0)
+	}
+	return dup2(oldfd, newfd)
+}
+
 //sys	Dup3(oldfd int, newfd int, flags int) (err error)
 //sysnb	EpollCreate1(flag int) (fd int, err error)
 //sysnb	EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error)
@@ -1757,6 +1766,9 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
 //sys	Syncfs(fd int) (err error)
 //sysnb	Sysinfo(info *Sysinfo_t) (err error)
 //sys	Tee(rfd int, wfd int, len int, flags int) (n int64, err error)
+//sysnb TimerfdCreate(clockid int, flags int) (fd int, err error)
+//sysnb TimerfdGettime(fd int, currValue *ItimerSpec) (err error)
+//sysnb TimerfdSettime(fd int, flags int, newValue *ItimerSpec, oldValue *ItimerSpec) (err error)
 //sysnb	Tgkill(tgid int, tid int, sig syscall.Signal) (err error)
 //sysnb	Times(tms *Tms) (ticks uintptr, err error)
 //sysnb	Umask(mask int) (oldmask int)
@@ -2178,7 +2190,6 @@ func Klogset(typ int, arg int) (err error) {
 // TimerGetoverrun
 // TimerGettime
 // TimerSettime
-// Timerfd
 // Tkill (obsolete)
 // Tuxcall
 // Umount2

vendor/golang.org/x/sys/unix/syscall_linux_386.go

@@ -49,7 +49,7 @@ func Pipe2(p []int, flags int) (err error) {
 
 // 64-bit file system and 32-bit uid calls
 // (386 default is 32-bit file system and 16-bit uid).
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64_64

vendor/golang.org/x/sys/unix/syscall_linux_amd64.go

@@ -6,7 +6,7 @@
 
 package unix
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64

vendor/golang.org/x/sys/unix/syscall_linux_arm.go

@@ -80,7 +80,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 
 // 64-bit file system and 32-bit uid calls
 // (16-bit uid calls are not always supported in newer kernels)
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32

vendor/golang.org/x/sys/unix/syscall_linux_arm64.go

@@ -210,9 +210,9 @@ func InotifyInit() (fd int, err error) {
 	return InotifyInit1(0)
 }
 
-func Dup2(oldfd int, newfd int) (err error) {
+// dup2 exists because func Dup3 in syscall_linux.go references
-	return Dup3(oldfd, newfd, 0)
+// it in an unreachable path. dup2 isn't available on arm64.
-}
+func dup2(oldfd int, newfd int) error
 
 func Pause() error {
 	_, err := ppoll(nil, 0, nil, nil)

vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go

@@ -7,7 +7,7 @@
 
 package unix
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64

vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go

@@ -14,7 +14,7 @@ import (
 
 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64

vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go

@@ -7,7 +7,7 @@
 
 package unix
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64

vendor/golang.org/x/sys/unix/syscall_linux_riscv64.go

@@ -191,10 +191,6 @@ func InotifyInit() (fd int, err error) {
 	return InotifyInit1(0)
 }
 
-func Dup2(oldfd int, newfd int) (err error) {
-	return Dup3(oldfd, newfd, 0)
-}
-
 func Pause() error {
 	_, err := ppoll(nil, 0, nil, nil)
 	return err
@@ -228,3 +224,7 @@ func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error
 	}
 	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
 }
+
+// dup2 exists because func Dup3 in syscall_linux.go references
+// it in an unreachable path. dup2 isn't available on arm64.
+func dup2(oldfd int, newfd int) error

vendor/golang.org/x/sys/unix/syscall_linux_s390x.go

@@ -10,7 +10,7 @@ import (
 	"unsafe"
 )
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64

vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go

@@ -8,7 +8,7 @@ package unix
 
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
 //sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64

vendor/golang.org/x/sys/unix/syscall_unix.go

@@ -12,6 +12,8 @@ import (
 	"sync"
 	"syscall"
 	"unsafe"
+
+	"golang.org/x/sys/internal/unsafeheader"
 )
 
 var (
@@ -113,15 +115,12 @@ func (m *mmapper) Mmap(fd int, offset int64, length int, prot int, flags int) (d
 		return nil, errno
 	}
 
-	// Slice memory layout
+	// Use unsafe to convert addr into a []byte.
-	var sl = struct {
+	var b []byte
-		addr uintptr
+	hdr := (*unsafeheader.Slice)(unsafe.Pointer(&b))
-		len  int
+	hdr.Data = unsafe.Pointer(addr)
-		cap  int
+	hdr.Cap = length
-	}{addr, length, length}
+	hdr.Len = length
-
-	// Use unsafe to turn sl into a []byte.
-	b := *(*[]byte)(unsafe.Pointer(&sl))
 
 	// Register mapping in m and return it.
 	p := &b[cap(b)-1]

vendor/golang.org/x/sys/unix/zerrors_linux.go

@@ -2165,6 +2165,8 @@ const (
 	TCP_USER_TIMEOUT                            = 0x12
 	TCP_WINDOW_CLAMP                            = 0xa
 	TCP_ZEROCOPY_RECEIVE                        = 0x23
+	TFD_TIMER_ABSTIME                           = 0x1
+	TFD_TIMER_CANCEL_ON_SET                     = 0x2
 	TIMER_ABSTIME                               = 0x1
 	TIOCM_DTR                                   = 0x2
 	TIOCM_LE                                    = 0x1

vendor/golang.org/x/sys/unix/zerrors_linux_386.go

@@ -342,6 +342,8 @@ const (
 	TCSETXF                          = 0x5434
 	TCSETXW                          = 0x5435
 	TCXONC                           = 0x540a
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x800
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x541d
 	TIOCEXCL                         = 0x540c

vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go

@@ -343,6 +343,8 @@ const (
 	TCSETXF                          = 0x5434
 	TCSETXW                          = 0x5435
 	TCXONC                           = 0x540a
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x800
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x541d
 	TIOCEXCL                         = 0x540c

vendor/golang.org/x/sys/unix/zerrors_linux_arm.go

@@ -349,6 +349,8 @@ const (
 	TCSETXF                          = 0x5434
 	TCSETXW                          = 0x5435
 	TCXONC                           = 0x540a
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x800
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x541d
 	TIOCEXCL                         = 0x540c

vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go

@@ -336,6 +336,8 @@ const (
 	TCSETXF                          = 0x5434
 	TCSETXW                          = 0x5435
 	TCXONC                           = 0x540a
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x800
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x541d
 	TIOCEXCL                         = 0x540c

vendor/golang.org/x/sys/unix/zerrors_linux_mips.go

@@ -339,6 +339,8 @@ const (
 	TCSETSW                          = 0x540f
 	TCSETSW2                         = 0x8030542c
 	TCXONC                           = 0x5406
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x80
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x80047478
 	TIOCEXCL                         = 0x740d

vendor/golang.org/x/sys/unix/zerrors_linux_mips64.go

@@ -339,6 +339,8 @@ const (
 	TCSETSW                          = 0x540f
 	TCSETSW2                         = 0x8030542c
 	TCXONC                           = 0x5406
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x80
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x80047478
 	TIOCEXCL                         = 0x740d

vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go

@@ -339,6 +339,8 @@ const (
 	TCSETSW                          = 0x540f
 	TCSETSW2                         = 0x8030542c
 	TCXONC                           = 0x5406
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x80
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x80047478
 	TIOCEXCL                         = 0x740d

vendor/golang.org/x/sys/unix/zerrors_linux_mipsle.go

@@ -339,6 +339,8 @@ const (
 	TCSETSW                          = 0x540f
 	TCSETSW2                         = 0x8030542c
 	TCXONC                           = 0x5406
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x80
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x80047478
 	TIOCEXCL                         = 0x740d

vendor/golang.org/x/sys/unix/zerrors_linux_ppc64.go

@@ -393,6 +393,8 @@ const (
 	TCSETSF                          = 0x802c7416
 	TCSETSW                          = 0x802c7415
 	TCXONC                           = 0x2000741e
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x800
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x541d
 	TIOCEXCL                         = 0x540c

vendor/golang.org/x/sys/unix/zerrors_linux_ppc64le.go

@@ -393,6 +393,8 @@ const (
 	TCSETSF                          = 0x802c7416
 	TCSETSW                          = 0x802c7415
 	TCXONC                           = 0x2000741e
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x800
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x541d
 	TIOCEXCL                         = 0x540c

vendor/golang.org/x/sys/unix/zerrors_linux_riscv64.go

@@ -330,6 +330,8 @@ const (
 	TCSETXF                          = 0x5434
 	TCSETXW                          = 0x5435
 	TCXONC                           = 0x540a
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x800
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x541d
 	TIOCEXCL                         = 0x540c

vendor/golang.org/x/sys/unix/zerrors_linux_s390x.go

@@ -403,6 +403,8 @@ const (
 	TCSETXF                          = 0x5434
 	TCSETXW                          = 0x5435
 	TCXONC                           = 0x540a
+	TFD_CLOEXEC                      = 0x80000
+	TFD_NONBLOCK                     = 0x800
 	TIOCCBRK                         = 0x5428
 	TIOCCONS                         = 0x541d
 	TIOCEXCL                         = 0x540c

vendor/golang.org/x/sys/unix/zerrors_linux_sparc64.go

@@ -392,6 +392,8 @@ const (
 	TCSETSW                          = 0x8024540a
 	TCSETSW2                         = 0x802c540e
 	TCXONC                           = 0x20005406
+	TFD_CLOEXEC                      = 0x400000
+	TFD_NONBLOCK                     = 0x4000
 	TIOCCBRK                         = 0x2000747a
 	TIOCCONS                         = 0x20007424
 	TIOCEXCL                         = 0x2000740d

vendor/golang.org/x/sys/unix/zsyscall_linux.go

@@ -1450,6 +1450,37 @@ func Sysinfo(info *Sysinfo_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func TimerfdCreate(clockid int, flags int) (fd int, err error) {
+	r0, _, e1 := RawSyscall(SYS_TIMERFD_CREATE, uintptr(clockid), uintptr(flags), 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func TimerfdGettime(fd int, currValue *ItimerSpec) (err error) {
+	_, _, e1 := RawSyscall(SYS_TIMERFD_GETTIME, uintptr(fd), uintptr(unsafe.Pointer(currValue)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func TimerfdSettime(fd int, flags int, newValue *ItimerSpec, oldValue *ItimerSpec) (err error) {
+	_, _, e1 := RawSyscall6(SYS_TIMERFD_SETTIME, uintptr(fd), uintptr(flags), uintptr(unsafe.Pointer(newValue)), uintptr(unsafe.Pointer(oldValue)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Tgkill(tgid int, tid int, sig syscall.Signal) (err error) {
 	_, _, e1 := RawSyscall(SYS_TGKILL, uintptr(tgid), uintptr(tid), uintptr(sig))
 	if e1 != 0 {

vendor/golang.org/x/sys/unix/zsyscall_linux_386.go

@@ -55,7 +55,7 @@ func pipe(p *[2]_C_int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go

@@ -45,7 +45,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go

@@ -234,7 +234,7 @@ func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go

@@ -45,7 +45,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go

@@ -45,7 +45,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go

@@ -45,7 +45,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go

@@ -45,7 +45,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go

@@ -45,7 +45,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go

@@ -45,7 +45,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go

@@ -45,7 +45,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/zsyscall_linux_sparc64.go

@@ -72,7 +72,7 @@ func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Dup2(oldfd int, newfd int) (err error) {
+func dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
 		err = errnoErr(e1)

vendor/golang.org/x/sys/unix/ztypes_linux.go

@@ -18,6 +18,11 @@ type (
 	_C_long_long int64
 )
 
+type ItimerSpec struct {
+	Interval Timespec
+	Value    Timespec
+}
+
 const (
 	TIME_OK    = 0x0
 	TIME_INS   = 0x1

vendor/google.golang.org/protobuf/encoding/prototext/encode.go

@@ -106,6 +106,12 @@ func (o MarshalOptions) Marshal(m proto.Message) ([]byte, error) {
 		return nil, err
 	}
 
+	// Treat nil message interface as an empty message,
+	// in which case there is nothing to output.
+	if m == nil {
+		return []byte{}, nil
+	}
+
 	enc := encoder{internalEnc, o}
 	err = enc.marshalMessage(m.ProtoReflect(), false)
 	if err != nil {

vendor/google.golang.org/protobuf/internal/descfmt/stringer.go

@@ -106,7 +106,7 @@ func formatListOpt(vs list, isRoot, allowMulti bool) string {
 var descriptorAccessors = map[reflect.Type][]string{
 	reflect.TypeOf((*pref.FileDescriptor)(nil)).Elem():      {"Path", "Package", "Imports", "Messages", "Enums", "Extensions", "Services"},
 	reflect.TypeOf((*pref.MessageDescriptor)(nil)).Elem():   {"IsMapEntry", "Fields", "Oneofs", "ReservedNames", "ReservedRanges", "RequiredNumbers", "ExtensionRanges", "Messages", "Enums", "Extensions"},
-	reflect.TypeOf((*pref.FieldDescriptor)(nil)).Elem():     {"Number", "Cardinality", "Kind", "HasJSONName", "JSONName", "IsPacked", "IsExtension", "IsWeak", "IsList", "IsMap", "MapKey", "MapValue", "HasDefault", "Default", "ContainingOneof", "ContainingMessage", "Message", "Enum"},
+	reflect.TypeOf((*pref.FieldDescriptor)(nil)).Elem():     {"Number", "Cardinality", "Kind", "HasJSONName", "JSONName", "HasPresence", "IsExtension", "IsPacked", "IsWeak", "IsList", "IsMap", "MapKey", "MapValue", "HasDefault", "Default", "ContainingOneof", "ContainingMessage", "Message", "Enum"},
 	reflect.TypeOf((*pref.OneofDescriptor)(nil)).Elem():     {"Fields"}, // not directly used; must keep in sync with formatDescOpt
 	reflect.TypeOf((*pref.EnumDescriptor)(nil)).Elem():      {"Values", "ReservedNames", "ReservedRanges"},
 	reflect.TypeOf((*pref.EnumValueDescriptor)(nil)).Elem(): {"Number"},

vendor/google.golang.org/protobuf/internal/fieldnum/descriptor_gen.go

@@ -61,16 +61,17 @@ const (
 
 // Field numbers for google.protobuf.FieldDescriptorProto.
 const (
-	FieldDescriptorProto_Name         = 1  // optional string
+	FieldDescriptorProto_Name           = 1  // optional string
-	FieldDescriptorProto_Number       = 3  // optional int32
+	FieldDescriptorProto_Number         = 3  // optional int32
-	FieldDescriptorProto_Label        = 4  // optional google.protobuf.FieldDescriptorProto.Label
+	FieldDescriptorProto_Label          = 4  // optional google.protobuf.FieldDescriptorProto.Label
-	FieldDescriptorProto_Type         = 5  // optional google.protobuf.FieldDescriptorProto.Type
+	FieldDescriptorProto_Type           = 5  // optional google.protobuf.FieldDescriptorProto.Type
-	FieldDescriptorProto_TypeName     = 6  // optional string
+	FieldDescriptorProto_TypeName       = 6  // optional string
-	FieldDescriptorProto_Extendee     = 2  // optional string
+	FieldDescriptorProto_Extendee       = 2  // optional string
-	FieldDescriptorProto_DefaultValue = 7  // optional string
+	FieldDescriptorProto_DefaultValue   = 7  // optional string
-	FieldDescriptorProto_OneofIndex   = 9  // optional int32
+	FieldDescriptorProto_OneofIndex     = 9  // optional int32
-	FieldDescriptorProto_JsonName     = 10 // optional string
+	FieldDescriptorProto_JsonName       = 10 // optional string
-	FieldDescriptorProto_Options      = 8  // optional google.protobuf.FieldOptions
+	FieldDescriptorProto_Options        = 8  // optional google.protobuf.FieldOptions
+	FieldDescriptorProto_Proto3Optional = 17 // optional bool
 )
 
 // Field numbers for google.protobuf.OneofDescriptorProto.

vendor/google.golang.org/protobuf/internal/fieldsort/fieldsort.go

@@ -30,9 +30,9 @@ func Less(a, b protoreflect.FieldDescriptor) bool {
 			return a.Number() < b.Number()
 		}
 		return oa.Index() < ob.Index()
-	case oa != nil:
+	case oa != nil && !oa.IsSynthetic():
 		return false
-	case ob != nil:
+	case ob != nil && !ob.IsSynthetic():
 		return true
 	default:
 		return a.Number() < b.Number()

vendor/google.golang.org/protobuf/internal/filedesc/desc.go

@@ -77,7 +77,7 @@ func (fd *File) Enums() pref.EnumDescriptors           { return &fd.L1.Enums }
 func (fd *File) Messages() pref.MessageDescriptors     { return &fd.L1.Messages }
 func (fd *File) Extensions() pref.ExtensionDescriptors { return &fd.L1.Extensions }
 func (fd *File) Services() pref.ServiceDescriptors     { return &fd.L1.Services }
-func (fd *File) SourceLocations() pref.SourceLocations { return &fd.L2.Locations }
+func (fd *File) SourceLocations() pref.SourceLocations { return &fd.lazyInit().Locations }
 func (fd *File) Format(s fmt.State, r rune)            { descfmt.FormatDesc(s, r, fd) }
 func (fd *File) ProtoType(pref.FileDescriptor)         {}
 func (fd *File) ProtoInternal(pragma.DoNotImplement)   {}
@@ -202,20 +202,21 @@ type (
 		L1 FieldL1
 	}
 	FieldL1 struct {
-		Options         func() pref.ProtoMessage
+		Options          func() pref.ProtoMessage
-		Number          pref.FieldNumber
+		Number           pref.FieldNumber
-		Cardinality     pref.Cardinality // must be consistent with Message.RequiredNumbers
+		Cardinality      pref.Cardinality // must be consistent with Message.RequiredNumbers
-		Kind            pref.Kind
+		Kind             pref.Kind
-		JSONName        jsonName
+		JSONName         jsonName
-		IsWeak          bool // promoted from google.protobuf.FieldOptions
+		IsProto3Optional bool // promoted from google.protobuf.FieldDescriptorProto
-		HasPacked       bool // promoted from google.protobuf.FieldOptions
+		IsWeak           bool // promoted from google.protobuf.FieldOptions
-		IsPacked        bool // promoted from google.protobuf.FieldOptions
+		HasPacked        bool // promoted from google.protobuf.FieldOptions
-		HasEnforceUTF8  bool // promoted from google.protobuf.FieldOptions
+		IsPacked         bool // promoted from google.protobuf.FieldOptions
-		EnforceUTF8     bool // promoted from google.protobuf.FieldOptions
+		HasEnforceUTF8   bool // promoted from google.protobuf.FieldOptions
-		Default         defaultValue
+		EnforceUTF8      bool // promoted from google.protobuf.FieldOptions
-		ContainingOneof pref.OneofDescriptor // must be consistent with Message.Oneofs.Fields
+		Default          defaultValue
-		Enum            pref.EnumDescriptor
+		ContainingOneof  pref.OneofDescriptor // must be consistent with Message.Oneofs.Fields
-		Message         pref.MessageDescriptor
+		Enum             pref.EnumDescriptor
+		Message          pref.MessageDescriptor
 	}
 
 	Oneof struct {
@@ -277,6 +278,12 @@ func (fd *Field) Cardinality() pref.Cardinality { return fd.L1.Cardinality }
 func (fd *Field) Kind() pref.Kind               { return fd.L1.Kind }
 func (fd *Field) HasJSONName() bool             { return fd.L1.JSONName.has }
 func (fd *Field) JSONName() string              { return fd.L1.JSONName.get(fd) }
+func (fd *Field) HasPresence() bool {
+	return fd.L1.Cardinality != pref.Repeated && (fd.L0.ParentFile.L1.Syntax == pref.Proto2 || fd.L1.Message != nil || fd.L1.ContainingOneof != nil)
+}
+func (fd *Field) HasOptionalKeyword() bool {
+	return (fd.L0.ParentFile.L1.Syntax == pref.Proto2 && fd.L1.Cardinality == pref.Optional && fd.L1.ContainingOneof == nil) || fd.L1.IsProto3Optional
+}
 func (fd *Field) IsPacked() bool {
 	if !fd.L1.HasPacked && fd.L0.ParentFile.L1.Syntax != pref.Proto2 && fd.L1.Cardinality == pref.Repeated {
 		switch fd.L1.Kind {
@@ -338,6 +345,9 @@ func (fd *Field) EnforceUTF8() bool {
 	return fd.L0.ParentFile.L1.Syntax == pref.Proto3
 }
 
+func (od *Oneof) IsSynthetic() bool {
+	return od.L0.ParentFile.L1.Syntax == pref.Proto3 && len(od.L1.Fields.List) == 1 && od.L1.Fields.List[0].HasOptionalKeyword()
+}
 func (od *Oneof) Options() pref.ProtoMessage {
 	if f := od.L1.Options; f != nil {
 		return f()
@@ -361,12 +371,13 @@ type (
 		Kind        pref.Kind
 	}
 	ExtensionL2 struct {
-		Options  func() pref.ProtoMessage
+		Options          func() pref.ProtoMessage
-		JSONName jsonName
+		JSONName         jsonName
-		IsPacked bool // promoted from google.protobuf.FieldOptions
+		IsProto3Optional bool // promoted from google.protobuf.FieldDescriptorProto
-		Default  defaultValue
+		IsPacked         bool // promoted from google.protobuf.FieldOptions
-		Enum     pref.EnumDescriptor
+		Default          defaultValue
-		Message  pref.MessageDescriptor
+		Enum             pref.EnumDescriptor
+		Message          pref.MessageDescriptor
 	}
 )
 
@@ -376,11 +387,15 @@ func (xd *Extension) Options() pref.ProtoMessage {
 	}
 	return descopts.Field
 }
-func (xd *Extension) Number() pref.FieldNumber                   { return xd.L1.Number }
+func (xd *Extension) Number() pref.FieldNumber      { return xd.L1.Number }
-func (xd *Extension) Cardinality() pref.Cardinality              { return xd.L1.Cardinality }
+func (xd *Extension) Cardinality() pref.Cardinality { return xd.L1.Cardinality }
-func (xd *Extension) Kind() pref.Kind                            { return xd.L1.Kind }
+func (xd *Extension) Kind() pref.Kind               { return xd.L1.Kind }
-func (xd *Extension) HasJSONName() bool                          { return xd.lazyInit().JSONName.has }
+func (xd *Extension) HasJSONName() bool             { return xd.lazyInit().JSONName.has }
-func (xd *Extension) JSONName() string                           { return xd.lazyInit().JSONName.get(xd) }
+func (xd *Extension) JSONName() string              { return xd.lazyInit().JSONName.get(xd) }
+func (xd *Extension) HasPresence() bool             { return xd.L1.Cardinality != pref.Repeated }
+func (xd *Extension) HasOptionalKeyword() bool {
+	return (xd.L0.ParentFile.L1.Syntax == pref.Proto2 && xd.L1.Cardinality == pref.Optional) || xd.lazyInit().IsProto3Optional
+}
 func (xd *Extension) IsPacked() bool                             { return xd.lazyInit().IsPacked }
 func (xd *Extension) IsExtension() bool                          { return true }
 func (xd *Extension) IsWeak() bool                               { return false }

vendor/google.golang.org/protobuf/internal/filedesc/desc_lazy.go

@@ -441,6 +441,8 @@ func (fd *Field) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Des
 					panic("oneof type already set")
 				}
 				fd.L1.ContainingOneof = od
+			case fieldnum.FieldDescriptorProto_Proto3Optional:
+				fd.L1.IsProto3Optional = protowire.DecodeBool(v)
 			}
 		case protowire.BytesType:
 			v, m := protowire.ConsumeBytes(b)
@@ -537,6 +539,13 @@ func (xd *Extension) unmarshalFull(b []byte, sb *strs.Builder) {
 		num, typ, n := protowire.ConsumeTag(b)
 		b = b[n:]
 		switch typ {
+		case protowire.VarintType:
+			v, m := protowire.ConsumeVarint(b)
+			b = b[m:]
+			switch num {
+			case fieldnum.FieldDescriptorProto_Proto3Optional:
+				xd.L2.IsProto3Optional = protowire.DecodeBool(v)
+			}
 		case protowire.BytesType:
 			v, m := protowire.ConsumeBytes(b)
 			b = b[m:]

vendor/google.golang.org/protobuf/internal/impl/codec_gen.go

@@ -5078,6 +5078,46 @@ var coderStringPtr = pointerCoderFuncs{
 	merge:     mergeStringPtr,
 }
 
+// appendStringPtrValidateUTF8 wire encodes a *string pointer as a String.
+// It panics if the pointer is nil.
+func appendStringPtrValidateUTF8(b []byte, p pointer, f *coderFieldInfo, _ marshalOptions) ([]byte, error) {
+	v := **p.StringPtr()
+	b = protowire.AppendVarint(b, f.wiretag)
+	b = protowire.AppendString(b, v)
+	if !utf8.ValidString(v) {
+		return b, errInvalidUTF8{}
+	}
+	return b, nil
+}
+
+// consumeStringPtrValidateUTF8 wire decodes a *string pointer as a String.
+func consumeStringPtrValidateUTF8(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, _ unmarshalOptions) (out unmarshalOutput, err error) {
+	if wtyp != protowire.BytesType {
+		return out, errUnknown
+	}
+	v, n := protowire.ConsumeString(b)
+	if n < 0 {
+		return out, protowire.ParseError(n)
+	}
+	if !utf8.ValidString(v) {
+		return out, errInvalidUTF8{}
+	}
+	vp := p.StringPtr()
+	if *vp == nil {
+		*vp = new(string)
+	}
+	**vp = v
+	out.n = n
+	return out, nil
+}
+
+var coderStringPtrValidateUTF8 = pointerCoderFuncs{
+	size:      sizeStringPtr,
+	marshal:   appendStringPtrValidateUTF8,
+	unmarshal: consumeStringPtrValidateUTF8,
+	merge:     mergeStringPtr,
+}
+
 // sizeStringSlice returns the size of wire encoding a []string pointer as a repeated String.
 func sizeStringSlice(p pointer, f *coderFieldInfo, _ marshalOptions) (size int) {
 	s := *p.StringSlice()

vendor/google.golang.org/protobuf/internal/impl/codec_message.go

@@ -31,6 +31,11 @@ type coderMessageInfo struct {
 	needsInitCheck     bool
 	isMessageSet       bool
 	numRequiredFields  uint8
+
+	// Include space for a number of coderFieldInfos to improve cache locality.
+	// The number of entries is chosen through a combination of guesswork and
+	// empirical testing.
+	coderFieldBuf [32]coderFieldInfo
 }
 
 type coderFieldInfo struct {
@@ -53,11 +58,13 @@ func (mi *MessageInfo) makeCoderMethods(t reflect.Type, si structInfo) {
 
 	mi.coderFields = make(map[protowire.Number]*coderFieldInfo)
 	fields := mi.Desc.Fields()
+	preallocFields := mi.coderFieldBuf[:]
 	for i := 0; i < fields.Len(); i++ {
 		fd := fields.Get(i)
 
 		fs := si.fieldsByNumber[fd.Number()]
-		if fd.ContainingOneof() != nil {
+		isOneof := fd.ContainingOneof() != nil && !fd.ContainingOneof().IsSynthetic()
+		if isOneof {
 			fs = si.oneofsByName[fd.ContainingOneof().Name()]
 		}
 		ft := fs.Type
@@ -71,7 +78,7 @@ func (mi *MessageInfo) makeCoderMethods(t reflect.Type, si structInfo) {
 		var funcs pointerCoderFuncs
 		var childMessage *MessageInfo
 		switch {
-		case fd.ContainingOneof() != nil:
+		case isOneof:
 			fieldOffset = offsetOf(fs, mi.Exporter)
 		case fd.IsWeak():
 			fieldOffset = si.weakOffset
@@ -80,7 +87,14 @@ func (mi *MessageInfo) makeCoderMethods(t reflect.Type, si structInfo) {
 			fieldOffset = offsetOf(fs, mi.Exporter)
 			childMessage, funcs = fieldCoder(fd, ft)
 		}
-		cf := &coderFieldInfo{
+		var cf *coderFieldInfo
+		if len(preallocFields) > 0 {
+			cf = &preallocFields[0]
+			preallocFields = preallocFields[1:]
+		} else {
+			cf = new(coderFieldInfo)
+		}
+		*cf = coderFieldInfo{
 			num:        fd.Number(),
 			offset:     fieldOffset,
 			wiretag:    wiretag,
@@ -89,17 +103,16 @@ func (mi *MessageInfo) makeCoderMethods(t reflect.Type, si structInfo) {
 			funcs:      funcs,
 			mi:         childMessage,
 			validation: newFieldValidationInfo(mi, si, fd, ft),
-			isPointer: (fd.Cardinality() == pref.Repeated ||
+			isPointer:  fd.Cardinality() == pref.Repeated || fd.HasPresence(),
-				fd.Kind() == pref.MessageKind ||
-				fd.Kind() == pref.GroupKind ||
-				fd.Syntax() != pref.Proto3),
 			isRequired: fd.Cardinality() == pref.Required,
 		}
 		mi.orderedCoderFields = append(mi.orderedCoderFields, cf)
 		mi.coderFields[cf.num] = cf
 	}
 	for i, oneofs := 0, mi.Desc.Oneofs(); i < oneofs.Len(); i++ {
-		mi.initOneofFieldCoders(oneofs.Get(i), si)
+		if od := oneofs.Get(i); !od.IsSynthetic() {
+			mi.initOneofFieldCoders(od, si)
+		}
 	}
 	if messageset.IsMessageSet(mi.Desc) {
 		if !mi.extensionOffset.IsValid() {
@@ -123,7 +136,7 @@ func (mi *MessageInfo) makeCoderMethods(t reflect.Type, si structInfo) {
 	}
 	mi.denseCoderFields = make([]*coderFieldInfo, maxDense+1)
 	for _, cf := range mi.orderedCoderFields {
-		if int(cf.num) > len(mi.denseCoderFields) {
+		if int(cf.num) >= len(mi.denseCoderFields) {
 			break
 		}
 		mi.denseCoderFields[cf.num] = cf

vendor/google.golang.org/protobuf/internal/impl/codec_tables.go

@@ -338,6 +338,9 @@ func fieldCoder(fd pref.FieldDescriptor, ft reflect.Type) (*MessageInfo, pointer
 				return nil, coderDoublePtr
 			}
 		case pref.StringKind:
+			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
+				return nil, coderStringPtrValidateUTF8
+			}
 			if ft.Kind() == reflect.String {
 				return nil, coderStringPtr
 			}

vendor/google.golang.org/protobuf/internal/impl/convert.go

@@ -162,7 +162,7 @@ func (c *boolConverter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *boolConverter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *boolConverter) New() pref.Value  { return c.def }
 func (c *boolConverter) Zero() pref.Value { return c.def }
@@ -186,7 +186,7 @@ func (c *int32Converter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *int32Converter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *int32Converter) New() pref.Value  { return c.def }
 func (c *int32Converter) Zero() pref.Value { return c.def }
@@ -210,7 +210,7 @@ func (c *int64Converter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *int64Converter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *int64Converter) New() pref.Value  { return c.def }
 func (c *int64Converter) Zero() pref.Value { return c.def }
@@ -234,7 +234,7 @@ func (c *uint32Converter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *uint32Converter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *uint32Converter) New() pref.Value  { return c.def }
 func (c *uint32Converter) Zero() pref.Value { return c.def }
@@ -258,7 +258,7 @@ func (c *uint64Converter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *uint64Converter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *uint64Converter) New() pref.Value  { return c.def }
 func (c *uint64Converter) Zero() pref.Value { return c.def }
@@ -282,7 +282,7 @@ func (c *float32Converter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *float32Converter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *float32Converter) New() pref.Value  { return c.def }
 func (c *float32Converter) Zero() pref.Value { return c.def }
@@ -306,7 +306,7 @@ func (c *float64Converter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *float64Converter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *float64Converter) New() pref.Value  { return c.def }
 func (c *float64Converter) Zero() pref.Value { return c.def }
@@ -336,7 +336,7 @@ func (c *stringConverter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *stringConverter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *stringConverter) New() pref.Value  { return c.def }
 func (c *stringConverter) Zero() pref.Value { return c.def }
@@ -363,7 +363,7 @@ func (c *bytesConverter) IsValidPB(v pref.Value) bool {
 	return ok
 }
 func (c *bytesConverter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 func (c *bytesConverter) New() pref.Value  { return c.def }
 func (c *bytesConverter) Zero() pref.Value { return c.def }
@@ -400,7 +400,7 @@ func (c *enumConverter) IsValidPB(v pref.Value) bool {
 }
 
 func (c *enumConverter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 
 func (c *enumConverter) New() pref.Value {
@@ -455,7 +455,7 @@ func (c *messageConverter) IsValidPB(v pref.Value) bool {
 }
 
 func (c *messageConverter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 
 func (c *messageConverter) New() pref.Value {

vendor/google.golang.org/protobuf/internal/impl/convert_list.go

@@ -22,7 +22,7 @@ func newListConverter(t reflect.Type, fd pref.FieldDescriptor) Converter {
 }
 
 type listConverter struct {
-	goType reflect.Type
+	goType reflect.Type // []T
 	c      Converter
 }
 
@@ -48,11 +48,11 @@ func (c *listConverter) IsValidPB(v pref.Value) bool {
 	if !ok {
 		return false
 	}
-	return list.v.Type().Elem() == c.goType && list.IsValid()
+	return list.v.Type().Elem() == c.goType
 }
 
 func (c *listConverter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 
 func (c *listConverter) New() pref.Value {
@@ -64,7 +64,7 @@ func (c *listConverter) Zero() pref.Value {
 }
 
 type listPtrConverter struct {
-	goType reflect.Type
+	goType reflect.Type // *[]T
 	c      Converter
 }
 
@@ -88,7 +88,7 @@ func (c *listPtrConverter) IsValidPB(v pref.Value) bool {
 }
 
 func (c *listPtrConverter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 
 func (c *listPtrConverter) New() pref.Value {

vendor/google.golang.org/protobuf/internal/impl/convert_map.go

@@ -12,7 +12,7 @@ import (
 )
 
 type mapConverter struct {
-	goType           reflect.Type
+	goType           reflect.Type // map[K]V
 	keyConv, valConv Converter
 }
 
@@ -43,11 +43,11 @@ func (c *mapConverter) IsValidPB(v pref.Value) bool {
 	if !ok {
 		return false
 	}
-	return mapv.v.Type() == c.goType && mapv.IsValid()
+	return mapv.v.Type() == c.goType
 }
 
 func (c *mapConverter) IsValidGo(v reflect.Value) bool {
-	return v.Type() == c.goType
+	return v.IsValid() && v.Type() == c.goType
 }
 
 func (c *mapConverter) New() pref.Value {

vendor/google.golang.org/protobuf/internal/impl/legacy_export.go

@@ -7,14 +7,12 @@ package impl
 import (
 	"encoding/binary"
 	"encoding/json"
-	"fmt"
 	"hash/crc32"
 	"math"
 	"reflect"
 
 	"google.golang.org/protobuf/internal/errors"
 	pref "google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
 	piface "google.golang.org/protobuf/runtime/protoiface"
 )
 
@@ -92,13 +90,3 @@ func (Export) CompressGZIP(in []byte) (out []byte) {
 	out = append(out, gzipFooter[:]...)
 	return out
 }
-
-// WeakNil returns a typed nil pointer to a concrete message.
-// It panics if the message is not linked into the binary.
-func (Export) WeakNil(s pref.FullName) piface.MessageV1 {
-	mt, err := protoregistry.GlobalTypes.FindMessageByName(s)
-	if err != nil {
-		panic(fmt.Sprintf("weak message %v is not linked in", s))
-	}
-	return mt.Zero().Interface().(piface.MessageV1)
-}

vendor/google.golang.org/protobuf/internal/impl/legacy_extension.go

@@ -155,6 +155,8 @@ func (x placeholderExtension) Cardinality() pref.Cardinality              { retu
 func (x placeholderExtension) Kind() pref.Kind                            { return 0 }
 func (x placeholderExtension) HasJSONName() bool                          { return false }
 func (x placeholderExtension) JSONName() string                           { return "" }
+func (x placeholderExtension) HasPresence() bool                          { return false }
+func (x placeholderExtension) HasOptionalKeyword() bool                   { return false }
 func (x placeholderExtension) IsExtension() bool                          { return true }
 func (x placeholderExtension) IsWeak() bool                               { return false }
 func (x placeholderExtension) IsPacked() bool                             { return false }

vendor/google.golang.org/protobuf/internal/impl/message.go

@@ -15,7 +15,6 @@ import (
 	"google.golang.org/protobuf/internal/genname"
 	"google.golang.org/protobuf/reflect/protoreflect"
 	pref "google.golang.org/protobuf/reflect/protoreflect"
-	piface "google.golang.org/protobuf/runtime/protoiface"
 )
 
 // MessageInfo provides protobuf related functionality for a given Go type
@@ -109,7 +108,7 @@ func (mi *MessageInfo) getPointer(m pref.Message) (p pointer, ok bool) {
 
 type (
 	SizeCache       = int32
-	WeakFields      = map[int32]piface.MessageV1
+	WeakFields      = map[int32]protoreflect.ProtoMessage
 	UnknownFields   = []byte
 	ExtensionFields = map[int32]ExtensionField
 )

vendor/google.golang.org/protobuf/internal/impl/message_reflect.go

@@ -53,7 +53,7 @@ func (mi *MessageInfo) makeKnownFieldsFunc(si structInfo) {
 		fs := si.fieldsByNumber[fd.Number()]
 		var fi fieldInfo
 		switch {
-		case fd.ContainingOneof() != nil:
+		case fd.ContainingOneof() != nil && !fd.ContainingOneof().IsSynthetic():
 			fi = fieldInfoForOneof(fd, si.oneofsByName[fd.ContainingOneof().Name()], mi.Exporter, si.oneofWrappersByNumber[fd.Number()])
 		case fd.IsMap():
 			fi = fieldInfoForMap(fd, fs, mi.Exporter)
@@ -72,7 +72,7 @@ func (mi *MessageInfo) makeKnownFieldsFunc(si structInfo) {
 	mi.oneofs = map[pref.Name]*oneofInfo{}
 	for i := 0; i < md.Oneofs().Len(); i++ {
 		od := md.Oneofs().Get(i)
-		mi.oneofs[od.Name()] = makeOneofInfo(od, si.oneofsByName[od.Name()], mi.Exporter, si.oneofWrappersByType)
+		mi.oneofs[od.Name()] = makeOneofInfo(od, si, mi.Exporter)
 	}
 
 	mi.denseFields = make([]*fieldInfo, fds.Len()*2)
@@ -84,7 +84,7 @@ func (mi *MessageInfo) makeKnownFieldsFunc(si structInfo) {
 
 	for i := 0; i < fds.Len(); {
 		fd := fds.Get(i)
-		if od := fd.ContainingOneof(); od != nil {
+		if od := fd.ContainingOneof(); od != nil && !od.IsSynthetic() {
 			mi.rangeInfos = append(mi.rangeInfos, mi.oneofs[od.Name()])
 			i += od.Fields().Len()
 		} else {
@@ -170,6 +170,8 @@ func (m *extensionMap) Has(xt pref.ExtensionType) (ok bool) {
 		return x.Value().List().Len() > 0
 	case xd.IsMap():
 		return x.Value().Map().Len() > 0
+	case xd.Message() != nil:
+		return x.Value().Message().IsValid()
 	}
 	return true
 }
@@ -186,15 +188,28 @@ func (m *extensionMap) Get(xt pref.ExtensionType) pref.Value {
 	return xt.Zero()
 }
 func (m *extensionMap) Set(xt pref.ExtensionType, v pref.Value) {
-	if !xt.IsValidValue(v) {
+	xd := xt.TypeDescriptor()
+	isValid := true
+	switch {
+	case !xt.IsValidValue(v):
+		isValid = false
+	case xd.IsList():
+		isValid = v.List().IsValid()
+	case xd.IsMap():
+		isValid = v.Map().IsValid()
+	case xd.Message() != nil:
+		isValid = v.Message().IsValid()
+	}
+	if !isValid {
 		panic(fmt.Sprintf("%v: assigning invalid value", xt.TypeDescriptor().FullName()))
 	}
+
 	if *m == nil {
 		*m = make(map[int32]ExtensionField)
 	}
 	var x ExtensionField
 	x.Set(xt, v)
-	(*m)[int32(xt.TypeDescriptor().Number())] = x
+	(*m)[int32(xd.Number())] = x
 }
 func (m *extensionMap) Mutable(xt pref.ExtensionType) pref.Value {
 	xd := xt.TypeDescriptor()

vendor/google.golang.org/protobuf/internal/impl/message_reflect_field.go

@@ -221,7 +221,7 @@ var (
 
 func fieldInfoForScalar(fd pref.FieldDescriptor, fs reflect.StructField, x exporter) fieldInfo {
 	ft := fs.Type
-	nullable := fd.Syntax() == pref.Proto2
+	nullable := fd.HasPresence()
 	isBytes := ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8
 	if nullable {
 		if ft.Kind() != reflect.Ptr && ft.Kind() != reflect.Slice {
@@ -290,9 +290,9 @@ func fieldInfoForScalar(fd pref.FieldDescriptor, fs reflect.StructField, x expor
 			rv.Set(conv.GoValueOf(v))
 			if isBytes && rv.Len() == 0 {
 				if nullable {
-					rv.Set(emptyBytes) // preserve presence in proto2
+					rv.Set(emptyBytes) // preserve presence
 				} else {
-					rv.Set(nilBytes) // do not preserve presence in proto3
+					rv.Set(nilBytes) // do not preserve presence
 				}
 			}
 		},
@@ -426,11 +426,25 @@ type oneofInfo struct {
 	which     func(pointer) pref.FieldNumber
 }
 
-func makeOneofInfo(od pref.OneofDescriptor, fs reflect.StructField, x exporter, wrappersByType map[reflect.Type]pref.FieldNumber) *oneofInfo {
+func makeOneofInfo(od pref.OneofDescriptor, si structInfo, x exporter) *oneofInfo {
-	fieldOffset := offsetOf(fs, x)
+	oi := &oneofInfo{oneofDesc: od}
-	return &oneofInfo{
+	if od.IsSynthetic() {
-		oneofDesc: od,
+		fs := si.fieldsByNumber[od.Fields().Get(0).Number()]
-		which: func(p pointer) pref.FieldNumber {
+		fieldOffset := offsetOf(fs, x)
+		oi.which = func(p pointer) pref.FieldNumber {
+			if p.IsNil() {
+				return 0
+			}
+			rv := p.Apply(fieldOffset).AsValueOf(fs.Type).Elem()
+			if rv.IsNil() { // valid on either *T or []byte
+				return 0
+			}
+			return od.Fields().Get(0).Number()
+		}
+	} else {
+		fs := si.oneofsByName[od.Name()]
+		fieldOffset := offsetOf(fs, x)
+		oi.which = func(p pointer) pref.FieldNumber {
 			if p.IsNil() {
 				return 0
 			}
@@ -442,7 +456,8 @@ func makeOneofInfo(od pref.OneofDescriptor, fs reflect.StructField, x exporter,
 			if rv.IsNil() {
 				return 0
 			}
-			return wrappersByType[rv.Type().Elem()]
+			return si.oneofWrappersByType[rv.Type().Elem()]
-		},
+		}
 	}
+	return oi
 }

vendor/google.golang.org/protobuf/internal/impl/validate.go

@@ -108,7 +108,7 @@ const (
 func newFieldValidationInfo(mi *MessageInfo, si structInfo, fd pref.FieldDescriptor, ft reflect.Type) validationInfo {
 	var vi validationInfo
 	switch {
-	case fd.ContainingOneof() != nil:
+	case fd.ContainingOneof() != nil && !fd.ContainingOneof().IsSynthetic():
 		switch fd.Kind() {
 		case pref.MessageKind:
 			vi.typ = validationTypeMessage

vendor/google.golang.org/protobuf/internal/impl/weak.go

@@ -5,9 +5,10 @@
 package impl
 
 import (
-	"reflect"
+	"fmt"
 
 	pref "google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoregistry"
 )
 
 // weakFields adds methods to the exported WeakFields type for internal use.
@@ -16,31 +17,58 @@ import (
 // defined directly on it.
 type weakFields WeakFields
 
-func (w *weakFields) get(num pref.FieldNumber) (_ pref.ProtoMessage, ok bool) {
+func (w weakFields) get(num pref.FieldNumber) (pref.ProtoMessage, bool) {
-	if *w == nil {
+	m, ok := w[int32(num)]
-		return nil, false
+	return m, ok
-	}
-	m, ok := (*w)[int32(num)]
-	if !ok {
-		return nil, false
-	}
-	// As a legacy quirk, consider a typed nil to be unset.
-	//
-	// TODO: Consider fixing the generated set methods to clear the field
-	// when provided with a typed nil.
-	if v := reflect.ValueOf(m); v.Kind() == reflect.Ptr && v.IsNil() {
-		return nil, false
-	}
-	return Export{}.ProtoMessageV2Of(m), true
 }
 
 func (w *weakFields) set(num pref.FieldNumber, m pref.ProtoMessage) {
 	if *w == nil {
 		*w = make(weakFields)
 	}
-	(*w)[int32(num)] = Export{}.ProtoMessageV1Of(m)
+	(*w)[int32(num)] = m
 }
 
 func (w *weakFields) clear(num pref.FieldNumber) {
 	delete(*w, int32(num))
 }
+
+func (Export) HasWeak(w WeakFields, num pref.FieldNumber) bool {
+	_, ok := w[int32(num)]
+	return ok
+}
+
+func (Export) ClearWeak(w *WeakFields, num pref.FieldNumber) {
+	delete(*w, int32(num))
+}
+
+func (Export) GetWeak(w WeakFields, num pref.FieldNumber, name pref.FullName) pref.ProtoMessage {
+	if m, ok := w[int32(num)]; ok {
+		return m
+	}
+	mt, _ := protoregistry.GlobalTypes.FindMessageByName(name)
+	if mt == nil {
+		panic(fmt.Sprintf("message %v for weak field is not linked in", name))
+	}
+	return mt.Zero().Interface()
+}
+
+func (Export) SetWeak(w *WeakFields, num pref.FieldNumber, name pref.FullName, m pref.ProtoMessage) {
+	if m != nil {
+		mt, _ := protoregistry.GlobalTypes.FindMessageByName(name)
+		if mt == nil {
+			panic(fmt.Sprintf("message %v for weak field is not linked in", name))
+		}
+		if mt != m.ProtoReflect().Type() {
+			panic(fmt.Sprintf("invalid message type for weak field: got %T, want %T", m, mt.Zero().Interface()))
+		}
+	}
+	if m == nil || !m.ProtoReflect().IsValid() {
+		delete(*w, int32(num))
+		return
+	}
+	if *w == nil {
+		*w = make(weakFields)
+	}
+	(*w)[int32(num)] = m
+}

vendor/google.golang.org/protobuf/internal/version/version.go

@@ -52,7 +52,7 @@ import (
 //	10. Send out the CL for review and submit it.
 const (
 	Major      = 1
-	Minor      = 21
+	Minor      = 22
 	Patch      = 0
 	PreRelease = ""
 )

vendor/google.golang.org/protobuf/proto/checkinit.go

@@ -12,6 +12,12 @@ import (
 
 // CheckInitialized returns an error if any required fields in m are not set.
 func CheckInitialized(m Message) error {
+	// Treat a nil message interface as an "untyped" empty message,
+	// which we assume to have no required fields.
+	if m == nil {
+		return nil
+	}
+
 	return checkInitialized(m.ProtoReflect())
 }
 

vendor/google.golang.org/protobuf/proto/encode.go

@@ -74,19 +74,54 @@ type MarshalOptions struct {
 
 // Marshal returns the wire-format encoding of m.
 func Marshal(m Message) ([]byte, error) {
+	// Treat nil message interface as an empty message; nothing to output.
+	if m == nil {
+		return nil, nil
+	}
+
 	out, err := MarshalOptions{}.marshal(nil, m.ProtoReflect())
+	if len(out.Buf) == 0 && err == nil {
+		out.Buf = emptyBytesForMessage(m)
+	}
 	return out.Buf, err
 }
 
 // Marshal returns the wire-format encoding of m.
 func (o MarshalOptions) Marshal(m Message) ([]byte, error) {
+	// Treat nil message interface as an empty message; nothing to output.
+	if m == nil {
+		return nil, nil
+	}
+
 	out, err := o.marshal(nil, m.ProtoReflect())
+	if len(out.Buf) == 0 && err == nil {
+		out.Buf = emptyBytesForMessage(m)
+	}
 	return out.Buf, err
 }
 
+// emptyBytesForMessage returns a nil buffer if and only if m is invalid,
+// otherwise it returns a non-nil empty buffer.
+//
+// This is to assist the edge-case where user-code does the following:
+//	m1.OptionalBytes, _ = proto.Marshal(m2)
+// where they expect the proto2 "optional_bytes" field to be populated
+// if any only if m2 is a valid message.
+func emptyBytesForMessage(m Message) []byte {
+	if m == nil || !m.ProtoReflect().IsValid() {
+		return nil
+	}
+	return emptyBuf[:]
+}
+
 // MarshalAppend appends the wire-format encoding of m to b,
 // returning the result.
 func (o MarshalOptions) MarshalAppend(b []byte, m Message) ([]byte, error) {
+	// Treat nil message interface as an empty message; nothing to append.
+	if m == nil {
+		return b, nil
+	}
+
 	out, err := o.marshal(b, m.ProtoReflect())
 	return out.Buf, err
 }

vendor/google.golang.org/protobuf/proto/extension.go

@@ -9,28 +9,84 @@ import (
 )
 
 // HasExtension reports whether an extension field is populated.
-// It panics if ext does not extend m.
+// It returns false if m is invalid or if xt does not extend m.
-func HasExtension(m Message, ext protoreflect.ExtensionType) bool {
+func HasExtension(m Message, xt protoreflect.ExtensionType) bool {
-	return m.ProtoReflect().Has(ext.TypeDescriptor())
+	// Treat nil message interface as an empty message; no populated fields.
+	if m == nil {
+		return false
+	}
+
+	// As a special-case, we reports invalid or mismatching descriptors
+	// as always not being populated (since they aren't).
+	if xt == nil || m.ProtoReflect().Descriptor() != xt.TypeDescriptor().ContainingMessage() {
+		return false
+	}
+
+	return m.ProtoReflect().Has(xt.TypeDescriptor())
 }
 
 // ClearExtension clears an extension field such that subsequent
 // HasExtension calls return false.
-// It panics if ext does not extend m.
+// It panics if m is invalid or if xt does not extend m.
-func ClearExtension(m Message, ext protoreflect.ExtensionType) {
+func ClearExtension(m Message, xt protoreflect.ExtensionType) {
-	m.ProtoReflect().Clear(ext.TypeDescriptor())
+	m.ProtoReflect().Clear(xt.TypeDescriptor())
 }
 
 // GetExtension retrieves the value for an extension field.
 // If the field is unpopulated, it returns the default value for
-// scalars and an immutable, empty value for lists, maps, or messages.
+// scalars and an immutable, empty value for lists or messages.
-// It panics if ext does not extend m.
+// It panics if xt does not extend m.
-func GetExtension(m Message, ext protoreflect.ExtensionType) interface{} {
+func GetExtension(m Message, xt protoreflect.ExtensionType) interface{} {
-	return ext.InterfaceOf(m.ProtoReflect().Get(ext.TypeDescriptor()))
+	// Treat nil message interface as an empty message; return the default.
+	if m == nil {
+		return xt.InterfaceOf(xt.Zero())
+	}
+
+	return xt.InterfaceOf(m.ProtoReflect().Get(xt.TypeDescriptor()))
 }
 
 // SetExtension stores the value of an extension field.
-// It panics if ext does not extend m or if value type is invalid for the field.
+// It panics if m is invalid, xt does not extend m, or if type of v
-func SetExtension(m Message, ext protoreflect.ExtensionType, value interface{}) {
+// is invalid for the specified extension field.
-	m.ProtoReflect().Set(ext.TypeDescriptor(), ext.ValueOf(value))
+func SetExtension(m Message, xt protoreflect.ExtensionType, v interface{}) {
+	xd := xt.TypeDescriptor()
+	pv := xt.ValueOf(v)
+
+	// Specially treat an invalid list, map, or message as clear.
+	isValid := true
+	switch {
+	case xd.IsList():
+		isValid = pv.List().IsValid()
+	case xd.IsMap():
+		isValid = pv.Map().IsValid()
+	case xd.Message() != nil:
+		isValid = pv.Message().IsValid()
+	}
+	if !isValid {
+		m.ProtoReflect().Clear(xd)
+		return
+	}
+
+	m.ProtoReflect().Set(xd, pv)
+}
+
+// RangeExtensions iterates over every populated extension field in m in an
+// undefined order, calling f for each extension type and value encountered.
+// It returns immediately if f returns false.
+// While iterating, mutating operations may only be performed
+// on the current extension field.
+func RangeExtensions(m Message, f func(protoreflect.ExtensionType, interface{}) bool) {
+	// Treat nil message interface as an empty message; nothing to range over.
+	if m == nil {
+		return
+	}
+
+	m.ProtoReflect().Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
+		if fd.IsExtension() {
+			xt := fd.(protoreflect.ExtensionTypeDescriptor).Type()
+			vi := xt.InterfaceOf(v)
+			return f(xt, vi)
+		}
+		return true
+	})
 }

vendor/google.golang.org/protobuf/proto/merge.go

@@ -21,6 +21,9 @@ import (
 // It is semantically equivalent to unmarshaling the encoded form of src
 // into dst with the UnmarshalOptions.Merge option specified.
 func Merge(dst, src Message) {
+	// TODO: Should nil src be treated as semantically equivalent to a
+	// untyped, read-only, empty message? What about a nil dst?
+
 	dstMsg, srcMsg := dst.ProtoReflect(), src.ProtoReflect()
 	if dstMsg.Descriptor() != srcMsg.Descriptor() {
 		panic("descriptor mismatch")

vendor/google.golang.org/protobuf/proto/size.go

@@ -18,6 +18,11 @@ func Size(m Message) int {
 
 // Size returns the size in bytes of the wire-format encoding of m.
 func (o MarshalOptions) Size(m Message) int {
+	// Treat a nil message interface as an empty message; nothing to output.
+	if m == nil {
+		return 0
+	}
+
 	return sizeMessage(m.ProtoReflect())
 }
 

vendor/google.golang.org/protobuf/reflect/protoreflect/proto.go

@@ -22,8 +22,9 @@
 //
 // The protobuf descriptor interfaces are not meant to be implemented by
 // user code since they might need to be extended in the future to support
-// additions to the protobuf language. Protobuf descriptors can be constructed
+// additions to the protobuf language.
-// using the "google.golang.org/protobuf/reflect/protodesc" package.
+// The "google.golang.org/protobuf/reflect/protodesc" package converts between
+// google.protobuf.DescriptorProto messages and protobuf descriptors.
 //
 //
 // Go Type Descriptors

vendor/google.golang.org/protobuf/reflect/protoreflect/type.go

@@ -281,11 +281,19 @@ type FieldDescriptor interface {
 	// It is usually the camel-cased form of the field name.
 	JSONName() string
 
+	// HasPresence reports whether the field distinguishes between unpopulated
+	// and default values.
+	HasPresence() bool
+
 	// IsExtension reports whether this is an extension field. If false,
 	// then Parent and ContainingMessage refer to the same message.
 	// Otherwise, ContainingMessage and Parent likely differ.
 	IsExtension() bool
 
+	// HasOptionalKeyword reports whether the "optional" keyword was explicitly
+	// specified in the source .proto file.
+	HasOptionalKeyword() bool
+
 	// IsWeak reports whether this is a weak field, which does not impose a
 	// direct dependency on the target type.
 	// If true, then Message returns a placeholder type.
@@ -375,6 +383,11 @@ type FieldDescriptors interface {
 type OneofDescriptor interface {
 	Descriptor
 
+	// IsSynthetic reports whether this is a synthetic oneof created to support
+	// proto3 optional semantics. If true, Fields contains exactly one field
+	// with HasOptionalKeyword specified.
+	IsSynthetic() bool
+
 	// Fields is a list of fields belonging to this oneof.
 	Fields() FieldDescriptors
 

vendor/google.golang.org/protobuf/reflect/protoreflect/value.go

@@ -114,8 +114,8 @@ type Message interface {
 	// Mutable is a mutating operation and unsafe for concurrent use.
 	Mutable(FieldDescriptor) Value
 
-	// NewField returns a new value for assignable to the field of a given descriptor.
+	// NewField returns a new value that is assignable to the field
-	// For scalars, this returns the default value.
+	// for the given descriptor. For scalars, this returns the default value.
 	// For lists, maps, and messages, this returns a new, empty, mutable value.
 	NewField(FieldDescriptor) Value
 

vendor/gopkg.in/square/go-jose.v2/.travis.yml

@@ -26,6 +26,8 @@ before_install:
 - go get github.com/wadey/gocovmerge
 - go get github.com/mattn/goveralls
 - go get github.com/stretchr/testify/assert
+- go get github.com/stretchr/testify/require
+- go get github.com/google/go-cmp/cmp
 - go get golang.org/x/tools/cmd/cover || true
 - go get code.google.com/p/go.tools/cmd/cover || true
 - pip install cram --user

vendor/gopkg.in/square/go-jose.v2/jwk.go

@@ -26,6 +26,7 @@ import (
 	"crypto/sha256"
 	"crypto/x509"
 	"encoding/base64"
+	"encoding/hex"
 	"errors"
 	"fmt"
 	"math/big"
@@ -61,10 +62,10 @@ type rawJSONWebKey struct {
 	Dq *byteBuffer `json:"dq,omitempty"`
 	Qi *byteBuffer `json:"qi,omitempty"`
 	// Certificates
-	X5c       []string    `json:"x5c,omitempty"`
+	X5c       []string `json:"x5c,omitempty"`
-	X5u       *url.URL    `json:"x5u,omitempty"`
+	X5u       *url.URL `json:"x5u,omitempty"`
-	X5tSHA1   *byteBuffer `json:"x5t,omitempty"`
+	X5tSHA1   string   `json:"x5t,omitempty"`
-	X5tSHA256 *byteBuffer `json:"x5t#S256,omitempty"`
+	X5tSHA256 string   `json:"x5t#S256,omitempty"`
 }
 
 // JSONWebKey represents a public or private key in JWK format.
@@ -130,13 +131,13 @@ func (k JSONWebKey) MarshalJSON() ([]byte, error) {
 		if x5tSHA1Len != sha1.Size {
 			return nil, fmt.Errorf("square/go-jose: invalid SHA-1 thumbprint (must be %d bytes, not %d)", sha1.Size, x5tSHA1Len)
 		}
-		raw.X5tSHA1 = newFixedSizeBuffer(k.CertificateThumbprintSHA1, sha1.Size)
+		raw.X5tSHA1 = base64.RawURLEncoding.EncodeToString(k.CertificateThumbprintSHA1)
 	}
 	if x5tSHA256Len > 0 {
 		if x5tSHA256Len != sha256.Size {
 			return nil, fmt.Errorf("square/go-jose: invalid SHA-256 thumbprint (must be %d bytes, not %d)", sha256.Size, x5tSHA256Len)
 		}
-		raw.X5tSHA256 = newFixedSizeBuffer(k.CertificateThumbprintSHA256, sha256.Size)
+		raw.X5tSHA256 = base64.RawURLEncoding.EncodeToString(k.CertificateThumbprintSHA256)
 	}
 
 	// If cert chain is attached (as opposed to being behind a URL), check the
@@ -146,9 +147,12 @@ func (k JSONWebKey) MarshalJSON() ([]byte, error) {
 	if len(k.Certificates) > 0 {
 		expectedSHA1 := sha1.Sum(k.Certificates[0].Raw)
 		expectedSHA256 := sha256.Sum256(k.Certificates[0].Raw)
-		if !bytes.Equal(k.CertificateThumbprintSHA1, expectedSHA1[:]) ||
+
-			!bytes.Equal(k.CertificateThumbprintSHA256, expectedSHA256[:]) {
+		if len(k.CertificateThumbprintSHA1) > 0 && !bytes.Equal(k.CertificateThumbprintSHA1, expectedSHA1[:]) {
-			return nil, errors.New("square/go-jose: invalid SHA-1 or SHA-256 thumbprint, does not match cert chain")
+			return nil, errors.New("square/go-jose: invalid SHA-1 thumbprint, does not match cert chain")
+		}
+		if len(k.CertificateThumbprintSHA256) > 0 && !bytes.Equal(k.CertificateThumbprintSHA256, expectedSHA256[:]) {
+			return nil, errors.New("square/go-jose: invalid or SHA-256 thumbprint, does not match cert chain")
 		}
 	}
 
@@ -241,8 +245,43 @@ func (k *JSONWebKey) UnmarshalJSON(data []byte) (err error) {
 	*k = JSONWebKey{Key: key, KeyID: raw.Kid, Algorithm: raw.Alg, Use: raw.Use, Certificates: certs}
 
 	k.CertificatesURL = raw.X5u
-	k.CertificateThumbprintSHA1 = raw.X5tSHA1.bytes()
+
-	k.CertificateThumbprintSHA256 = raw.X5tSHA256.bytes()
+	// x5t parameters are base64url-encoded SHA thumbprints
+	// See RFC 7517, Section 4.8, https://tools.ietf.org/html/rfc7517#section-4.8
+	x5tSHA1bytes, err := base64.RawURLEncoding.DecodeString(raw.X5tSHA1)
+	if err != nil {
+		return errors.New("square/go-jose: invalid JWK, x5t header has invalid encoding")
+	}
+
+	// RFC 7517, Section 4.8 is ambiguous as to whether the digest output should be byte or hex,
+	// for this reason, after base64 decoding, if the size is sha1.Size it's likely that the value is a byte encoded
+	// checksum so we skip this. Otherwise if the checksum was hex encoded we expect a 40 byte sized array so we'll
+	// try to hex decode it. When Marshalling this value we'll always use a base64 encoded version of byte format checksum.
+	if len(x5tSHA1bytes) == 2*sha1.Size {
+		hx, err := hex.DecodeString(string(x5tSHA1bytes))
+		if err != nil {
+			return fmt.Errorf("square/go-jose: invalid JWK, unable to hex decode x5t: %v", err)
+
+		}
+		x5tSHA1bytes = hx
+	}
+
+	k.CertificateThumbprintSHA1 = x5tSHA1bytes
+
+	x5tSHA256bytes, err := base64.RawURLEncoding.DecodeString(raw.X5tSHA256)
+	if err != nil {
+		return errors.New("square/go-jose: invalid JWK, x5t#S256 header has invalid encoding")
+	}
+
+	if len(x5tSHA256bytes) == 2*sha256.Size {
+		hx256, err := hex.DecodeString(string(x5tSHA256bytes))
+		if err != nil {
+			return fmt.Errorf("square/go-jose: invalid JWK, unable to hex decode x5t#S256: %v", err)
+		}
+		x5tSHA256bytes = hx256
+	}
+
+	k.CertificateThumbprintSHA256 = x5tSHA256bytes
 
 	x5tSHA1Len := len(k.CertificateThumbprintSHA1)
 	x5tSHA256Len := len(k.CertificateThumbprintSHA256)
@@ -250,7 +289,7 @@ func (k *JSONWebKey) UnmarshalJSON(data []byte) (err error) {
 		return errors.New("square/go-jose: invalid JWK, x5t header is of incorrect size")
 	}
 	if x5tSHA256Len > 0 && x5tSHA256Len != sha256.Size {
-		return errors.New("square/go-jose: invalid JWK, x5t header is of incorrect size")
+		return errors.New("square/go-jose: invalid JWK, x5t#S256 header is of incorrect size")
 	}
 
 	// If certificate chain *and* thumbprints are set, verify correctness.

vendor/modules.txt

@@ -107,7 +107,7 @@ github.com/go-acme/lego/v3/lego
 github.com/go-acme/lego/v3/log
 github.com/go-acme/lego/v3/platform/wait
 github.com/go-acme/lego/v3/registration
-# github.com/golang/protobuf v1.4.0
+# github.com/golang/protobuf v1.4.1
 ## explicit
 github.com/golang/protobuf/proto
 # github.com/golang/snappy v0.0.1
@@ -138,7 +138,7 @@ github.com/jpillora/backoff
 # github.com/kjk/betterguid v0.0.0-20170621091430-c442874ba63a
 ## explicit
 github.com/kjk/betterguid
-# github.com/klauspost/cpuid v1.2.3
+# github.com/klauspost/cpuid v1.2.4
 ## explicit
 github.com/klauspost/cpuid
 # github.com/magiconair/properties v1.8.1
@@ -218,13 +218,13 @@ github.com/willf/bitset
 # go.etcd.io/bbolt v1.3.4
 ## explicit
 go.etcd.io/bbolt
-# golang.org/x/crypto v0.0.0-20200427165652-729f1e841bcc
+# golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79
 ## explicit
 golang.org/x/crypto/ed25519
 golang.org/x/crypto/ed25519/internal/edwards25519
 golang.org/x/crypto/ocsp
 golang.org/x/crypto/pbkdf2
-# golang.org/x/net v0.0.0-20200425230154-ff2c4b7c35a0
+# golang.org/x/net v0.0.0-20200506145744-7e3656a0809f
 ## explicit
 golang.org/x/net/bpf
 golang.org/x/net/html
@@ -234,8 +234,9 @@ golang.org/x/net/internal/iana
 golang.org/x/net/internal/socket
 golang.org/x/net/ipv4
 golang.org/x/net/ipv6
-# golang.org/x/sys v0.0.0-20200428200454-593003d681fa
+# golang.org/x/sys v0.0.0-20200501145240-bc7a7d42d5c3
 ## explicit
+golang.org/x/sys/internal/unsafeheader
 golang.org/x/sys/unix
 golang.org/x/sys/windows
 # golang.org/x/text v0.3.2
@@ -243,7 +244,7 @@ golang.org/x/text/secure/bidirule
 golang.org/x/text/transform
 golang.org/x/text/unicode/bidi
 golang.org/x/text/unicode/norm
-# google.golang.org/protobuf v1.21.0
+# google.golang.org/protobuf v1.22.0
 google.golang.org/protobuf/encoding/prototext
 google.golang.org/protobuf/encoding/protowire
 google.golang.org/protobuf/internal/descfmt
@@ -274,7 +275,7 @@ google.golang.org/protobuf/runtime/protoimpl
 # gopkg.in/ini.v1 v1.55.0
 ## explicit
 gopkg.in/ini.v1
-# gopkg.in/square/go-jose.v2 v2.5.0
+# gopkg.in/square/go-jose.v2 v2.5.1
 ## explicit
 gopkg.in/square/go-jose.v2
 gopkg.in/square/go-jose.v2/cipher