Upgrading server dependancies (#8154)

vendor/golang.org/x/crypto/acme/autocert/autocert.go

@@ -24,7 +24,9 @@ import (
 	"fmt"
 	"io"
 	mathrand "math/rand"
+	"net"
 	"net/http"
+	"path"
 	"strconv"
 	"strings"
 	"sync"
@@ -80,8 +82,9 @@ func defaultHostPolicy(context.Context, string) error {
 }
 
 // Manager is a stateful certificate manager built on top of acme.Client.
-// It obtains and refreshes certificates automatically,
-// as well as providing them to a TLS server via tls.Config.
+// It obtains and refreshes certificates automatically using "tls-sni-01",
+// "tls-sni-02" and "http-01" challenge types, as well as providing them
+// to a TLS server via tls.Config.
 //
 // You must specify a cache implementation, such as DirCache,
 // to reuse obtained certificates across program restarts.
@@ -150,15 +153,26 @@ type Manager struct {
 	stateMu sync.Mutex
 	state   map[string]*certState // keyed by domain name
 
-	// tokenCert is keyed by token domain name, which matches server name
-	// of ClientHello. Keys always have ".acme.invalid" suffix.
-	tokenCertMu sync.RWMutex
-	tokenCert   map[string]*tls.Certificate
-
 	// renewal tracks the set of domains currently running renewal timers.
 	// It is keyed by domain name.
 	renewalMu sync.Mutex
 	renewal   map[string]*domainRenewal
+
+	// tokensMu guards the rest of the fields: tryHTTP01, certTokens and httpTokens.
+	tokensMu sync.RWMutex
+	// tryHTTP01 indicates whether the Manager should try "http-01" challenge type
+	// during the authorization flow.
+	tryHTTP01 bool
+	// httpTokens contains response body values for http-01 challenges
+	// and is keyed by the URL path at which a challenge response is expected
+	// to be provisioned.
+	// The entries are stored for the duration of the authorization flow.
+	httpTokens map[string][]byte
+	// certTokens contains temporary certificates for tls-sni challenges
+	// and is keyed by token domain name, which matches server name of ClientHello.
+	// Keys always have ".acme.invalid" suffix.
+	// The entries are stored for the duration of the authorization flow.
+	certTokens map[string]*tls.Certificate
 }
 
 // GetCertificate implements the tls.Config.GetCertificate hook.
@@ -185,14 +199,16 @@ func (m *Manager) GetCertificate(hello *tls.ClientHelloInfo) (*tls.Certificate,
 		return nil, errors.New("acme/autocert: server name contains invalid character")
 	}
 
+	// In the worst-case scenario, the timeout needs to account for caching, host policy,
+	// domain ownership verification and certificate issuance.
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
 	defer cancel()
 
 	// check whether this is a token cert requested for TLS-SNI challenge
 	if strings.HasSuffix(name, ".acme.invalid") {
-		m.tokenCertMu.RLock()
-		defer m.tokenCertMu.RUnlock()
-		if cert := m.tokenCert[name]; cert != nil {
+		m.tokensMu.RLock()
+		defer m.tokensMu.RUnlock()
+		if cert := m.certTokens[name]; cert != nil {
 			return cert, nil
 		}
 		if cert, err := m.cacheGet(ctx, name); err == nil {
@@ -224,6 +240,68 @@ func (m *Manager) GetCertificate(hello *tls.ClientHelloInfo) (*tls.Certificate,
 	return cert, nil
 }
 
+// HTTPHandler configures the Manager to provision ACME "http-01" challenge responses.
+// It returns an http.Handler that responds to the challenges and must be
+// running on port 80. If it receives a request that is not an ACME challenge,
+// it delegates the request to the optional fallback handler.
+//
+// If fallback is nil, the returned handler redirects all GET and HEAD requests
+// to the default TLS port 443 with 302 Found status code, preserving the original
+// request path and query. It responds with 400 Bad Request to all other HTTP methods.
+// The fallback is not protected by the optional HostPolicy.
+//
+// Because the fallback handler is run with unencrypted port 80 requests,
+// the fallback should not serve TLS-only requests.
+//
+// If HTTPHandler is never called, the Manager will only use TLS SNI
+// challenges for domain verification.
+func (m *Manager) HTTPHandler(fallback http.Handler) http.Handler {
+	m.tokensMu.Lock()
+	defer m.tokensMu.Unlock()
+	m.tryHTTP01 = true
+
+	if fallback == nil {
+		fallback = http.HandlerFunc(handleHTTPRedirect)
+	}
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if !strings.HasPrefix(r.URL.Path, "/.well-known/acme-challenge/") {
+			fallback.ServeHTTP(w, r)
+			return
+		}
+		// A reasonable context timeout for cache and host policy only,
+		// because we don't wait for a new certificate issuance here.
+		ctx, cancel := context.WithTimeout(r.Context(), time.Minute)
+		defer cancel()
+		if err := m.hostPolicy()(ctx, r.Host); err != nil {
+			http.Error(w, err.Error(), http.StatusForbidden)
+			return
+		}
+		data, err := m.httpToken(ctx, r.URL.Path)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		}
+		w.Write(data)
+	})
+}
+
+func handleHTTPRedirect(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "GET" && r.Method != "HEAD" {
+		http.Error(w, "Use HTTPS", http.StatusBadRequest)
+		return
+	}
+	target := "https://" + stripPort(r.Host) + r.URL.RequestURI()
+	http.Redirect(w, r, target, http.StatusFound)
+}
+
+func stripPort(hostport string) string {
+	host, _, err := net.SplitHostPort(hostport)
+	if err != nil {
+		return hostport
+	}
+	return net.JoinHostPort(host, "443")
+}
+
 // cert returns an existing certificate either from m.state or cache.
 // If a certificate is found in cache but not in m.state, the latter will be filled
 // with the cached value.
@@ -442,13 +520,14 @@ func (m *Manager) certState(domain string) (*certState, error) {
 // authorizedCert starts the domain ownership verification process and requests a new cert upon success.
 // The key argument is the certificate private key.
 func (m *Manager) authorizedCert(ctx context.Context, key crypto.Signer, domain string) (der [][]byte, leaf *x509.Certificate, err error) {
-	if err := m.verify(ctx, domain); err != nil {
-		return nil, nil, err
-	}
 	client, err := m.acmeClient(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
+
+	if err := m.verify(ctx, client, domain); err != nil {
+		return nil, nil, err
+	}
 	csr, err := certRequest(key, domain)
 	if err != nil {
 		return nil, nil, err
@@ -464,98 +543,171 @@ func (m *Manager) authorizedCert(ctx context.Context, key crypto.Signer, domain
 	return der, leaf, nil
 }
 
-// verify starts a new identifier (domain) authorization flow.
-// It prepares a challenge response and then blocks until the authorization
-// is marked as "completed" by the CA (either succeeded or failed).
-//
-// verify returns nil iff the verification was successful.
-func (m *Manager) verify(ctx context.Context, domain string) error {
-	client, err := m.acmeClient(ctx)
-	if err != nil {
-		return err
+// verify runs the identifier (domain) authorization flow
+// using each applicable ACME challenge type.
+func (m *Manager) verify(ctx context.Context, client *acme.Client, domain string) error {
+	// The list of challenge types we'll try to fulfill
+	// in this specific order.
+	challengeTypes := []string{"tls-sni-02", "tls-sni-01"}
+	m.tokensMu.RLock()
+	if m.tryHTTP01 {
+		challengeTypes = append(challengeTypes, "http-01")
 	}
+	m.tokensMu.RUnlock()
 
-	// start domain authorization and get the challenge
-	authz, err := client.Authorize(ctx, domain)
-	if err != nil {
-		return err
-	}
-	// maybe don't need to at all
-	if authz.Status == acme.StatusValid {
-		return nil
-	}
-
-	// pick a challenge: prefer tls-sni-02 over tls-sni-01
-	// TODO: consider authz.Combinations
-	var chal *acme.Challenge
-	for _, c := range authz.Challenges {
-		if c.Type == "tls-sni-02" {
-			chal = c
-			break
+	var nextTyp int // challengeType index of the next challenge type to try
+	for {
+		// Start domain authorization and get the challenge.
+		authz, err := client.Authorize(ctx, domain)
+		if err != nil {
+			return err
 		}
-		if c.Type == "tls-sni-01" {
-			chal = c
+		// No point in accepting challenges if the authorization status
+		// is in a final state.
+		switch authz.Status {
+		case acme.StatusValid:
+			return nil // already authorized
+		case acme.StatusInvalid:
+			return fmt.Errorf("acme/autocert: invalid authorization %q", authz.URI)
+		}
+
+		// Pick the next preferred challenge.
+		var chal *acme.Challenge
+		for chal == nil && nextTyp < len(challengeTypes) {
+			chal = pickChallenge(challengeTypes[nextTyp], authz.Challenges)
+			nextTyp++
+		}
+		if chal == nil {
+			return fmt.Errorf("acme/autocert: unable to authorize %q; tried %q", domain, challengeTypes)
+		}
+		cleanup, err := m.fulfill(ctx, client, chal)
+		if err != nil {
+			continue
+		}
+		defer cleanup()
+		if _, err := client.Accept(ctx, chal); err != nil {
+			continue
+		}
+
+		// A challenge is fulfilled and accepted: wait for the CA to validate.
+		if _, err := client.WaitAuthorization(ctx, authz.URI); err == nil {
+			return nil
 		}
 	}
-	if chal == nil {
-		return errors.New("acme/autocert: no supported challenge type found")
-	}
-
-	// create a token cert for the challenge response
-	var (
-		cert tls.Certificate
-		name string
-	)
-	switch chal.Type {
-	case "tls-sni-01":
-		cert, name, err = client.TLSSNI01ChallengeCert(chal.Token)
-	case "tls-sni-02":
-		cert, name, err = client.TLSSNI02ChallengeCert(chal.Token)
-	default:
-		err = fmt.Errorf("acme/autocert: unknown challenge type %q", chal.Type)
-	}
-	if err != nil {
-		return err
-	}
-	m.putTokenCert(ctx, name, &cert)
-	defer func() {
-		// verification has ended at this point
-		// don't need token cert anymore
-		go m.deleteTokenCert(name)
-	}()
-
-	// ready to fulfill the challenge
-	if _, err := client.Accept(ctx, chal); err != nil {
-		return err
-	}
-	// wait for the CA to validate
-	_, err = client.WaitAuthorization(ctx, authz.URI)
-	return err
 }
 
-// putTokenCert stores the cert under the named key in both m.tokenCert map
-// and m.Cache.
-func (m *Manager) putTokenCert(ctx context.Context, name string, cert *tls.Certificate) {
-	m.tokenCertMu.Lock()
-	defer m.tokenCertMu.Unlock()
-	if m.tokenCert == nil {
-		m.tokenCert = make(map[string]*tls.Certificate)
+// fulfill provisions a response to the challenge chal.
+// The cleanup is non-nil only if provisioning succeeded.
+func (m *Manager) fulfill(ctx context.Context, client *acme.Client, chal *acme.Challenge) (cleanup func(), err error) {
+	switch chal.Type {
+	case "tls-sni-01":
+		cert, name, err := client.TLSSNI01ChallengeCert(chal.Token)
+		if err != nil {
+			return nil, err
+		}
+		m.putCertToken(ctx, name, &cert)
+		return func() { go m.deleteCertToken(name) }, nil
+	case "tls-sni-02":
+		cert, name, err := client.TLSSNI02ChallengeCert(chal.Token)
+		if err != nil {
+			return nil, err
+		}
+		m.putCertToken(ctx, name, &cert)
+		return func() { go m.deleteCertToken(name) }, nil
+	case "http-01":
+		resp, err := client.HTTP01ChallengeResponse(chal.Token)
+		if err != nil {
+			return nil, err
+		}
+		p := client.HTTP01ChallengePath(chal.Token)
+		m.putHTTPToken(ctx, p, resp)
+		return func() { go m.deleteHTTPToken(p) }, nil
 	}
-	m.tokenCert[name] = cert
+	return nil, fmt.Errorf("acme/autocert: unknown challenge type %q", chal.Type)
+}
+
+func pickChallenge(typ string, chal []*acme.Challenge) *acme.Challenge {
+	for _, c := range chal {
+		if c.Type == typ {
+			return c
+		}
+	}
+	return nil
+}
+
+// putCertToken stores the cert under the named key in both m.certTokens map
+// and m.Cache.
+func (m *Manager) putCertToken(ctx context.Context, name string, cert *tls.Certificate) {
+	m.tokensMu.Lock()
+	defer m.tokensMu.Unlock()
+	if m.certTokens == nil {
+		m.certTokens = make(map[string]*tls.Certificate)
+	}
+	m.certTokens[name] = cert
 	m.cachePut(ctx, name, cert)
 }
 
-// deleteTokenCert removes the token certificate for the specified domain name
-// from both m.tokenCert map and m.Cache.
-func (m *Manager) deleteTokenCert(name string) {
-	m.tokenCertMu.Lock()
-	defer m.tokenCertMu.Unlock()
-	delete(m.tokenCert, name)
+// deleteCertToken removes the token certificate for the specified domain name
+// from both m.certTokens map and m.Cache.
+func (m *Manager) deleteCertToken(name string) {
+	m.tokensMu.Lock()
+	defer m.tokensMu.Unlock()
+	delete(m.certTokens, name)
 	if m.Cache != nil {
 		m.Cache.Delete(context.Background(), name)
 	}
 }
 
+// httpToken retrieves an existing http-01 token value from an in-memory map
+// or the optional cache.
+func (m *Manager) httpToken(ctx context.Context, tokenPath string) ([]byte, error) {
+	m.tokensMu.RLock()
+	defer m.tokensMu.RUnlock()
+	if v, ok := m.httpTokens[tokenPath]; ok {
+		return v, nil
+	}
+	if m.Cache == nil {
+		return nil, fmt.Errorf("acme/autocert: no token at %q", tokenPath)
+	}
+	return m.Cache.Get(ctx, httpTokenCacheKey(tokenPath))
+}
+
+// putHTTPToken stores an http-01 token value using tokenPath as key
+// in both in-memory map and the optional Cache.
+//
+// It ignores any error returned from Cache.Put.
+func (m *Manager) putHTTPToken(ctx context.Context, tokenPath, val string) {
+	m.tokensMu.Lock()
+	defer m.tokensMu.Unlock()
+	if m.httpTokens == nil {
+		m.httpTokens = make(map[string][]byte)
+	}
+	b := []byte(val)
+	m.httpTokens[tokenPath] = b
+	if m.Cache != nil {
+		m.Cache.Put(ctx, httpTokenCacheKey(tokenPath), b)
+	}
+}
+
+// deleteHTTPToken removes an http-01 token value from both in-memory map
+// and the optional Cache, ignoring any error returned from the latter.
+//
+// If m.Cache is non-nil, it blocks until Cache.Delete returns without a timeout.
+func (m *Manager) deleteHTTPToken(tokenPath string) {
+	m.tokensMu.Lock()
+	defer m.tokensMu.Unlock()
+	delete(m.httpTokens, tokenPath)
+	if m.Cache != nil {
+		m.Cache.Delete(context.Background(), httpTokenCacheKey(tokenPath))
+	}
+}
+
+// httpTokenCacheKey returns a key at which an http-01 token value may be stored
+// in the Manager's optional Cache.
+func httpTokenCacheKey(tokenPath string) string {
+	return "http-01-" + path.Base(tokenPath)
+}
+
 // renew starts a cert renewal timer loop, one per domain.
 //
 // The loop is scheduled in two cases:

vendor/golang.org/x/crypto/acme/autocert/autocert_test.go

@@ -23,6 +23,7 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"reflect"
+	"strings"
 	"sync"
 	"testing"
 	"time"
@@ -48,6 +49,16 @@ var authzTmpl = template.Must(template.New("authz").Parse(`{
 			"uri": "{{.}}/challenge/2",
 			"type": "tls-sni-02",
 			"token": "token-02"
+		},
+		{
+			"uri": "{{.}}/challenge/dns-01",
+			"type": "dns-01",
+			"token": "token-dns-01"
+		},
+		{
+			"uri": "{{.}}/challenge/http-01",
+			"type": "http-01",
+			"token": "token-http-01"
 		}
 	]
 }`))
@@ -419,6 +430,146 @@ func testGetCertificate(t *testing.T, man *Manager, domain string, hello *tls.Cl
 
 }
 
+func TestVerifyHTTP01(t *testing.T) {
+	var (
+		http01 http.Handler
+
+		authzCount      int // num. of created authorizations
+		didAcceptHTTP01 bool
+	)
+
+	verifyHTTPToken := func() {
+		r := httptest.NewRequest("GET", "/.well-known/acme-challenge/token-http-01", nil)
+		w := httptest.NewRecorder()
+		http01.ServeHTTP(w, r)
+		if w.Code != http.StatusOK {
+			t.Errorf("http token: w.Code = %d; want %d", w.Code, http.StatusOK)
+		}
+		if v := string(w.Body.Bytes()); !strings.HasPrefix(v, "token-http-01.") {
+			t.Errorf("http token value = %q; want 'token-http-01.' prefix", v)
+		}
+	}
+
+	// ACME CA server stub, only the needed bits.
+	// TODO: Merge this with startACMEServerStub, making it a configurable CA for testing.
+	var ca *httptest.Server
+	ca = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Replay-Nonce", "nonce")
+		if r.Method == "HEAD" {
+			// a nonce request
+			return
+		}
+
+		switch r.URL.Path {
+		// Discovery.
+		case "/":
+			if err := discoTmpl.Execute(w, ca.URL); err != nil {
+				t.Errorf("discoTmpl: %v", err)
+			}
+		// Client key registration.
+		case "/new-reg":
+			w.Write([]byte("{}"))
+		// New domain authorization.
+		case "/new-authz":
+			authzCount++
+			w.Header().Set("Location", fmt.Sprintf("%s/authz/%d", ca.URL, authzCount))
+			w.WriteHeader(http.StatusCreated)
+			if err := authzTmpl.Execute(w, ca.URL); err != nil {
+				t.Errorf("authzTmpl: %v", err)
+			}
+		// Accept tls-sni-02.
+		case "/challenge/2":
+			w.Write([]byte("{}"))
+		// Reject tls-sni-01.
+		case "/challenge/1":
+			http.Error(w, "won't accept tls-sni-01", http.StatusBadRequest)
+		// Should not accept dns-01.
+		case "/challenge/dns-01":
+			t.Errorf("dns-01 challenge was accepted")
+			http.Error(w, "won't accept dns-01", http.StatusBadRequest)
+		// Accept http-01.
+		case "/challenge/http-01":
+			didAcceptHTTP01 = true
+			verifyHTTPToken()
+			w.Write([]byte("{}"))
+		// Authorization statuses.
+		// Make tls-sni-xxx invalid.
+		case "/authz/1", "/authz/2":
+			w.Write([]byte(`{"status": "invalid"}`))
+		case "/authz/3", "/authz/4":
+			w.Write([]byte(`{"status": "valid"}`))
+		default:
+			http.NotFound(w, r)
+			t.Errorf("unrecognized r.URL.Path: %s", r.URL.Path)
+		}
+	}))
+	defer ca.Close()
+
+	key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if err != nil {
+		t.Fatal(err)
+	}
+	m := &Manager{
+		Client: &acme.Client{
+			Key:          key,
+			DirectoryURL: ca.URL,
+		},
+	}
+	http01 = m.HTTPHandler(nil)
+	if err := m.verify(context.Background(), m.Client, "example.org"); err != nil {
+		t.Errorf("m.verify: %v", err)
+	}
+	// Only tls-sni-01, tls-sni-02 and http-01 must be accepted
+	// The dns-01 challenge is unsupported.
+	if authzCount != 3 {
+		t.Errorf("authzCount = %d; want 3", authzCount)
+	}
+	if !didAcceptHTTP01 {
+		t.Error("did not accept http-01 challenge")
+	}
+}
+
+func TestHTTPHandlerDefaultFallback(t *testing.T) {
+	tt := []struct {
+		method, url  string
+		wantCode     int
+		wantLocation string
+	}{
+		{"GET", "http://example.org", 302, "https://example.org/"},
+		{"GET", "http://example.org/foo", 302, "https://example.org/foo"},
+		{"GET", "http://example.org/foo/bar/", 302, "https://example.org/foo/bar/"},
+		{"GET", "http://example.org/?a=b", 302, "https://example.org/?a=b"},
+		{"GET", "http://example.org/foo?a=b", 302, "https://example.org/foo?a=b"},
+		{"GET", "http://example.org:80/foo?a=b", 302, "https://example.org:443/foo?a=b"},
+		{"GET", "http://example.org:80/foo%20bar", 302, "https://example.org:443/foo%20bar"},
+		{"GET", "http://[2602:d1:xxxx::c60a]:1234", 302, "https://[2602:d1:xxxx::c60a]:443/"},
+		{"GET", "http://[2602:d1:xxxx::c60a]", 302, "https://[2602:d1:xxxx::c60a]/"},
+		{"GET", "http://[2602:d1:xxxx::c60a]/foo?a=b", 302, "https://[2602:d1:xxxx::c60a]/foo?a=b"},
+		{"HEAD", "http://example.org", 302, "https://example.org/"},
+		{"HEAD", "http://example.org/foo", 302, "https://example.org/foo"},
+		{"HEAD", "http://example.org/foo/bar/", 302, "https://example.org/foo/bar/"},
+		{"HEAD", "http://example.org/?a=b", 302, "https://example.org/?a=b"},
+		{"HEAD", "http://example.org/foo?a=b", 302, "https://example.org/foo?a=b"},
+		{"POST", "http://example.org", 400, ""},
+		{"PUT", "http://example.org", 400, ""},
+		{"GET", "http://example.org/.well-known/acme-challenge/x", 404, ""},
+	}
+	var m Manager
+	h := m.HTTPHandler(nil)
+	for i, test := range tt {
+		r := httptest.NewRequest(test.method, test.url, nil)
+		w := httptest.NewRecorder()
+		h.ServeHTTP(w, r)
+		if w.Code != test.wantCode {
+			t.Errorf("%d: w.Code = %d; want %d", i, w.Code, test.wantCode)
+			t.Errorf("%d: body: %s", i, w.Body.Bytes())
+		}
+		if v := w.Header().Get("Location"); v != test.wantLocation {
+			t.Errorf("%d: Location = %q; want %q", i, v, test.wantLocation)
+		}
+	}
+}
+
 func TestAccountKeyCache(t *testing.T) {
 	m := Manager{Cache: newMemCache()}
 	ctx := context.Background()

vendor/golang.org/x/crypto/acme/autocert/example_test.go

@@ -22,11 +22,12 @@ func ExampleNewListener() {
 }
 
 func ExampleManager() {
-	m := autocert.Manager{
+	m := &autocert.Manager{
 		Cache:      autocert.DirCache("secret-dir"),
 		Prompt:     autocert.AcceptTOS,
 		HostPolicy: autocert.HostWhitelist("example.org"),
 	}
+	go http.ListenAndServe(":http", m.HTTPHandler(nil))
 	s := &http.Server{
 		Addr:      ":https",
 		TLSConfig: &tls.Config{GetCertificate: m.GetCertificate},

vendor/golang.org/x/crypto/argon2/blamka_amd64.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build amd64,!gccgo,!appengine
+
 package argon2
 
 func init() {

vendor/golang.org/x/crypto/ssh/cipher.go

@@ -16,6 +16,9 @@ import (
 	"hash"
 	"io"
 	"io/ioutil"
+
+	"golang.org/x/crypto/internal/chacha20"
+	"golang.org/x/crypto/poly1305"
 )
 
 const (
@@ -53,78 +56,78 @@ func newRC4(key, iv []byte) (cipher.Stream, error) {
 	return rc4.NewCipher(key)
 }
 
-type streamCipherMode struct {
-	keySize    int
-	ivSize     int
-	skip       int
-	createFunc func(key, iv []byte) (cipher.Stream, error)
+type cipherMode struct {
+	keySize int
+	ivSize  int
+	create  func(key, iv []byte, macKey []byte, algs directionAlgorithms) (packetCipher, error)
 }
 
-func (c *streamCipherMode) createStream(key, iv []byte) (cipher.Stream, error) {
-	if len(key) < c.keySize {
-		panic("ssh: key length too small for cipher")
-	}
-	if len(iv) < c.ivSize {
-		panic("ssh: iv too small for cipher")
-	}
-
-	stream, err := c.createFunc(key[:c.keySize], iv[:c.ivSize])
-	if err != nil {
-		return nil, err
-	}
-
-	var streamDump []byte
-	if c.skip > 0 {
-		streamDump = make([]byte, 512)
-	}
-
-	for remainingToDump := c.skip; remainingToDump > 0; {
-		dumpThisTime := remainingToDump
-		if dumpThisTime > len(streamDump) {
-			dumpThisTime = len(streamDump)
+func streamCipherMode(skip int, createFunc func(key, iv []byte) (cipher.Stream, error)) func(key, iv []byte, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
+	return func(key, iv, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
+		stream, err := createFunc(key, iv)
+		if err != nil {
+			return nil, err
 		}
-		stream.XORKeyStream(streamDump[:dumpThisTime], streamDump[:dumpThisTime])
-		remainingToDump -= dumpThisTime
-	}
 
-	return stream, nil
+		var streamDump []byte
+		if skip > 0 {
+			streamDump = make([]byte, 512)
+		}
+
+		for remainingToDump := skip; remainingToDump > 0; {
+			dumpThisTime := remainingToDump
+			if dumpThisTime > len(streamDump) {
+				dumpThisTime = len(streamDump)
+			}
+			stream.XORKeyStream(streamDump[:dumpThisTime], streamDump[:dumpThisTime])
+			remainingToDump -= dumpThisTime
+		}
+
+		mac := macModes[algs.MAC].new(macKey)
+		return &streamPacketCipher{
+			mac:       mac,
+			etm:       macModes[algs.MAC].etm,
+			macResult: make([]byte, mac.Size()),
+			cipher:    stream,
+		}, nil
+	}
 }
 
 // cipherModes documents properties of supported ciphers. Ciphers not included
 // are not supported and will not be negotiated, even if explicitly requested in
 // ClientConfig.Crypto.Ciphers.
-var cipherModes = map[string]*streamCipherMode{
+var cipherModes = map[string]*cipherMode{
 	// Ciphers from RFC4344, which introduced many CTR-based ciphers. Algorithms
 	// are defined in the order specified in the RFC.
-	"aes128-ctr": {16, aes.BlockSize, 0, newAESCTR},
-	"aes192-ctr": {24, aes.BlockSize, 0, newAESCTR},
-	"aes256-ctr": {32, aes.BlockSize, 0, newAESCTR},
+	"aes128-ctr": {16, aes.BlockSize, streamCipherMode(0, newAESCTR)},
+	"aes192-ctr": {24, aes.BlockSize, streamCipherMode(0, newAESCTR)},
+	"aes256-ctr": {32, aes.BlockSize, streamCipherMode(0, newAESCTR)},
 
 	// Ciphers from RFC4345, which introduces security-improved arcfour ciphers.
 	// They are defined in the order specified in the RFC.
-	"arcfour128": {16, 0, 1536, newRC4},
-	"arcfour256": {32, 0, 1536, newRC4},
+	"arcfour128": {16, 0, streamCipherMode(1536, newRC4)},
+	"arcfour256": {32, 0, streamCipherMode(1536, newRC4)},
 
 	// Cipher defined in RFC 4253, which describes SSH Transport Layer Protocol.
 	// Note that this cipher is not safe, as stated in RFC 4253: "Arcfour (and
 	// RC4) has problems with weak keys, and should be used with caution."
 	// RFC4345 introduces improved versions of Arcfour.
-	"arcfour": {16, 0, 0, newRC4},
+	"arcfour": {16, 0, streamCipherMode(0, newRC4)},
 
-	// AES-GCM is not a stream cipher, so it is constructed with a
-	// special case. If we add any more non-stream ciphers, we
-	// should invest a cleaner way to do this.
-	gcmCipherID: {16, 12, 0, nil},
+	// AEAD ciphers
+	gcmCipherID:        {16, 12, newGCMCipher},
+	chacha20Poly1305ID: {64, 0, newChaCha20Cipher},
 
 	// CBC mode is insecure and so is not included in the default config.
 	// (See http://www.isg.rhul.ac.uk/~kp/SandPfinal.pdf). If absolutely
 	// needed, it's possible to specify a custom Config to enable it.
 	// You should expect that an active attacker can recover plaintext if
 	// you do.
-	aes128cbcID: {16, aes.BlockSize, 0, nil},
+	aes128cbcID: {16, aes.BlockSize, newAESCBCCipher},
 
-	// 3des-cbc is insecure and is disabled by default.
-	tripledescbcID: {24, des.BlockSize, 0, nil},
+	// 3des-cbc is insecure and is not included in the default
+	// config.
+	tripledescbcID: {24, des.BlockSize, newTripleDESCBCCipher},
 }
 
 // prefixLen is the length of the packet prefix that contains the packet length
@@ -304,7 +307,7 @@ type gcmCipher struct {
 	buf    []byte
 }
 
-func newGCMCipher(iv, key []byte) (packetCipher, error) {
+func newGCMCipher(key, iv, unusedMacKey []byte, unusedAlgs directionAlgorithms) (packetCipher, error) {
 	c, err := aes.NewCipher(key)
 	if err != nil {
 		return nil, err
@@ -422,7 +425,7 @@ type cbcCipher struct {
 	oracleCamouflage uint32
 }
 
-func newCBCCipher(c cipher.Block, iv, key, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
+func newCBCCipher(c cipher.Block, key, iv, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
 	cbc := &cbcCipher{
 		mac:        macModes[algs.MAC].new(macKey),
 		decrypter:  cipher.NewCBCDecrypter(c, iv),
@@ -436,13 +439,13 @@ func newCBCCipher(c cipher.Block, iv, key, macKey []byte, algs directionAlgorith
 	return cbc, nil
 }
 
-func newAESCBCCipher(iv, key, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
+func newAESCBCCipher(key, iv, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
 	c, err := aes.NewCipher(key)
 	if err != nil {
 		return nil, err
 	}
 
-	cbc, err := newCBCCipher(c, iv, key, macKey, algs)
+	cbc, err := newCBCCipher(c, key, iv, macKey, algs)
 	if err != nil {
 		return nil, err
 	}
@@ -450,13 +453,13 @@ func newAESCBCCipher(iv, key, macKey []byte, algs directionAlgorithms) (packetCi
 	return cbc, nil
 }
 
-func newTripleDESCBCCipher(iv, key, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
+func newTripleDESCBCCipher(key, iv, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
 	c, err := des.NewTripleDESCipher(key)
 	if err != nil {
 		return nil, err
 	}
 
-	cbc, err := newCBCCipher(c, iv, key, macKey, algs)
+	cbc, err := newCBCCipher(c, key, iv, macKey, algs)
 	if err != nil {
 		return nil, err
 	}
@@ -627,3 +630,142 @@ func (c *cbcCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, pack
 
 	return nil
 }
+
+const chacha20Poly1305ID = "chacha20-poly1305@openssh.com"
+
+// chacha20Poly1305Cipher implements the chacha20-poly1305@openssh.com
+// AEAD, which is described here:
+//
+//   https://tools.ietf.org/html/draft-josefsson-ssh-chacha20-poly1305-openssh-00
+//
+// the methods here also implement padding, which RFC4253 Section 6
+// also requires of stream ciphers.
+type chacha20Poly1305Cipher struct {
+	lengthKey  [32]byte
+	contentKey [32]byte
+	buf        []byte
+}
+
+func newChaCha20Cipher(key, unusedIV, unusedMACKey []byte, unusedAlgs directionAlgorithms) (packetCipher, error) {
+	if len(key) != 64 {
+		panic(len(key))
+	}
+
+	c := &chacha20Poly1305Cipher{
+		buf: make([]byte, 256),
+	}
+
+	copy(c.contentKey[:], key[:32])
+	copy(c.lengthKey[:], key[32:])
+	return c, nil
+}
+
+// The Poly1305 key is obtained by encrypting 32 0-bytes.
+var chacha20PolyKeyInput [32]byte
+
+func (c *chacha20Poly1305Cipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
+	var counter [16]byte
+	binary.BigEndian.PutUint64(counter[8:], uint64(seqNum))
+
+	var polyKey [32]byte
+	chacha20.XORKeyStream(polyKey[:], chacha20PolyKeyInput[:], &counter, &c.contentKey)
+
+	encryptedLength := c.buf[:4]
+	if _, err := io.ReadFull(r, encryptedLength); err != nil {
+		return nil, err
+	}
+
+	var lenBytes [4]byte
+	chacha20.XORKeyStream(lenBytes[:], encryptedLength, &counter, &c.lengthKey)
+
+	length := binary.BigEndian.Uint32(lenBytes[:])
+	if length > maxPacket {
+		return nil, errors.New("ssh: invalid packet length, packet too large")
+	}
+
+	contentEnd := 4 + length
+	packetEnd := contentEnd + poly1305.TagSize
+	if uint32(cap(c.buf)) < packetEnd {
+		c.buf = make([]byte, packetEnd)
+		copy(c.buf[:], encryptedLength)
+	} else {
+		c.buf = c.buf[:packetEnd]
+	}
+
+	if _, err := io.ReadFull(r, c.buf[4:packetEnd]); err != nil {
+		return nil, err
+	}
+
+	var mac [poly1305.TagSize]byte
+	copy(mac[:], c.buf[contentEnd:packetEnd])
+	if !poly1305.Verify(&mac, c.buf[:contentEnd], &polyKey) {
+		return nil, errors.New("ssh: MAC failure")
+	}
+
+	counter[0] = 1
+
+	plain := c.buf[4:contentEnd]
+	chacha20.XORKeyStream(plain, plain, &counter, &c.contentKey)
+
+	padding := plain[0]
+	if padding < 4 {
+		// padding is a byte, so it automatically satisfies
+		// the maximum size, which is 255.
+		return nil, fmt.Errorf("ssh: illegal padding %d", padding)
+	}
+
+	if int(padding)+1 >= len(plain) {
+		return nil, fmt.Errorf("ssh: padding %d too large", padding)
+	}
+
+	plain = plain[1 : len(plain)-int(padding)]
+
+	return plain, nil
+}
+
+func (c *chacha20Poly1305Cipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, payload []byte) error {
+	var counter [16]byte
+	binary.BigEndian.PutUint64(counter[8:], uint64(seqNum))
+
+	var polyKey [32]byte
+	chacha20.XORKeyStream(polyKey[:], chacha20PolyKeyInput[:], &counter, &c.contentKey)
+
+	// There is no blocksize, so fall back to multiple of 8 byte
+	// padding, as described in RFC 4253, Sec 6.
+	const packetSizeMultiple = 8
+
+	padding := packetSizeMultiple - (1+len(payload))%packetSizeMultiple
+	if padding < 4 {
+		padding += packetSizeMultiple
+	}
+
+	// size (4 bytes), padding (1), payload, padding, tag.
+	totalLength := 4 + 1 + len(payload) + padding + poly1305.TagSize
+	if cap(c.buf) < totalLength {
+		c.buf = make([]byte, totalLength)
+	} else {
+		c.buf = c.buf[:totalLength]
+	}
+
+	binary.BigEndian.PutUint32(c.buf, uint32(1+len(payload)+padding))
+	chacha20.XORKeyStream(c.buf, c.buf[:4], &counter, &c.lengthKey)
+	c.buf[4] = byte(padding)
+	copy(c.buf[5:], payload)
+	packetEnd := 5 + len(payload) + padding
+	if _, err := io.ReadFull(rand, c.buf[5+len(payload):packetEnd]); err != nil {
+		return err
+	}
+
+	counter[0] = 1
+	chacha20.XORKeyStream(c.buf[4:], c.buf[4:packetEnd], &counter, &c.contentKey)
+
+	var mac [poly1305.TagSize]byte
+	poly1305.Sum(&mac, c.buf[:packetEnd], &polyKey)
+
+	copy(c.buf[packetEnd:], mac[:])
+
+	if _, err := w.Write(c.buf); err != nil {
+		return err
+	}
+	return nil
+}

vendor/golang.org/x/crypto/ssh/cipher_test.go

@@ -7,7 +7,6 @@ package ssh
 import (
 	"bytes"
 	"crypto"
-	"crypto/aes"
 	"crypto/rand"
 	"testing"
 )
@@ -15,7 +14,12 @@ import (
 func TestDefaultCiphersExist(t *testing.T) {
 	for _, cipherAlgo := range supportedCiphers {
 		if _, ok := cipherModes[cipherAlgo]; !ok {
-			t.Errorf("default cipher %q is unknown", cipherAlgo)
+			t.Errorf("supported cipher %q is unknown", cipherAlgo)
+		}
+	}
+	for _, cipherAlgo := range preferredCiphers {
+		if _, ok := cipherModes[cipherAlgo]; !ok {
+			t.Errorf("preferred cipher %q is unknown", cipherAlgo)
 		}
 	}
 }
@@ -67,9 +71,6 @@ func testPacketCipher(t *testing.T, cipher, mac string) {
 }
 
 func TestCBCOracleCounterMeasure(t *testing.T) {
-	cipherModes[aes128cbcID] = &streamCipherMode{16, aes.BlockSize, 0, nil}
-	defer delete(cipherModes, aes128cbcID)
-
 	kr := &kexResult{Hash: crypto.SHA1}
 	algs := directionAlgorithms{
 		Cipher:      aes128cbcID,

vendor/golang.org/x/crypto/ssh/client_test.go

@@ -5,41 +5,77 @@
 package ssh
 
 import (
-	"net"
 	"strings"
 	"testing"
 )
 
-func testClientVersion(t *testing.T, config *ClientConfig, expected string) {
-	clientConn, serverConn := net.Pipe()
-	defer clientConn.Close()
-	receivedVersion := make(chan string, 1)
-	config.HostKeyCallback = InsecureIgnoreHostKey()
-	go func() {
-		version, err := readVersion(serverConn)
-		if err != nil {
-			receivedVersion <- ""
-		} else {
-			receivedVersion <- string(version)
-		}
-		serverConn.Close()
-	}()
-	NewClientConn(clientConn, "", config)
-	actual := <-receivedVersion
-	if actual != expected {
-		t.Fatalf("got %s; want %s", actual, expected)
+func TestClientVersion(t *testing.T) {
+	for _, tt := range []struct {
+		name      string
+		version   string
+		multiLine string
+		wantErr   bool
+	}{
+		{
+			name:    "default version",
+			version: packageVersion,
+		},
+		{
+			name:    "custom version",
+			version: "SSH-2.0-CustomClientVersionString",
+		},
+		{
+			name:      "good multi line version",
+			version:   packageVersion,
+			multiLine: strings.Repeat("ignored\r\n", 20),
+		},
+		{
+			name:      "bad multi line version",
+			version:   packageVersion,
+			multiLine: "bad multi line version",
+			wantErr:   true,
+		},
+		{
+			name:      "long multi line version",
+			version:   packageVersion,
+			multiLine: strings.Repeat("long multi line version\r\n", 50)[:256],
+			wantErr:   true,
+		},
+	} {
+		t.Run(tt.name, func(t *testing.T) {
+			c1, c2, err := netPipe()
+			if err != nil {
+				t.Fatalf("netPipe: %v", err)
+			}
+			defer c1.Close()
+			defer c2.Close()
+			go func() {
+				if tt.multiLine != "" {
+					c1.Write([]byte(tt.multiLine))
+				}
+				NewClientConn(c1, "", &ClientConfig{
+					ClientVersion:   tt.version,
+					HostKeyCallback: InsecureIgnoreHostKey(),
+				})
+				c1.Close()
+			}()
+			conf := &ServerConfig{NoClientAuth: true}
+			conf.AddHostKey(testSigners["rsa"])
+			conn, _, _, err := NewServerConn(c2, conf)
+			if err == nil == tt.wantErr {
+				t.Fatalf("got err %v; wantErr %t", err, tt.wantErr)
+			}
+			if tt.wantErr {
+				// Don't verify the version on an expected error.
+				return
+			}
+			if got := string(conn.ClientVersion()); got != tt.version {
+				t.Fatalf("got %q; want %q", got, tt.version)
+			}
+		})
 	}
 }
 
-func TestCustomClientVersion(t *testing.T) {
-	version := "Test-Client-Version-0.0"
-	testClientVersion(t, &ClientConfig{ClientVersion: version}, version)
-}
-
-func TestDefaultClientVersion(t *testing.T) {
-	testClientVersion(t, &ClientConfig{}, packageVersion)
-}
-
 func TestHostKeyCheck(t *testing.T) {
 	for _, tt := range []struct {
 		name      string

vendor/golang.org/x/crypto/ssh/common.go

@@ -24,11 +24,21 @@ const (
 	serviceSSH      = "ssh-connection"
 )
 
-// supportedCiphers specifies the supported ciphers in preference order.
+// supportedCiphers lists ciphers we support but might not recommend.
 var supportedCiphers = []string{
 	"aes128-ctr", "aes192-ctr", "aes256-ctr",
 	"aes128-gcm@openssh.com",
-	"arcfour256", "arcfour128",
+	chacha20Poly1305ID,
+	"arcfour256", "arcfour128", "arcfour",
+	aes128cbcID,
+	tripledescbcID,
+}
+
+// preferredCiphers specifies the default preference for ciphers.
+var preferredCiphers = []string{
+	"aes128-gcm@openssh.com",
+	chacha20Poly1305ID,
+	"aes128-ctr", "aes192-ctr", "aes256-ctr",
 }
 
 // supportedKexAlgos specifies the supported key-exchange algorithms in
@@ -211,7 +221,7 @@ func (c *Config) SetDefaults() {
 		c.Rand = rand.Reader
 	}
 	if c.Ciphers == nil {
-		c.Ciphers = supportedCiphers
+		c.Ciphers = preferredCiphers
 	}
 	var ciphers []string
 	for _, c := range c.Ciphers {

vendor/golang.org/x/crypto/ssh/test/session_test.go

@@ -11,6 +11,7 @@ package test
 import (
 	"bytes"
 	"errors"
+	"fmt"
 	"io"
 	"strings"
 	"testing"
@@ -324,31 +325,59 @@ func TestWindowChange(t *testing.T) {
 	}
 }
 
+func testOneCipher(t *testing.T, cipher string, cipherOrder []string) {
+	server := newServer(t)
+	defer server.Shutdown()
+	conf := clientConfig()
+	conf.Ciphers = []string{cipher}
+	// Don't fail if sshd doesn't have the cipher.
+	conf.Ciphers = append(conf.Ciphers, cipherOrder...)
+	conn, err := server.TryDial(conf)
+	if err != nil {
+		t.Fatalf("TryDial: %v", err)
+	}
+	defer conn.Close()
+
+	numBytes := 4096
+
+	// Exercise sending data to the server
+	if _, _, err := conn.Conn.SendRequest("drop-me", false, make([]byte, numBytes)); err != nil {
+		t.Fatalf("SendRequest: %v", err)
+	}
+
+	// Exercise receiving data from the server
+	session, err := conn.NewSession()
+	if err != nil {
+		t.Fatalf("NewSession: %v", err)
+	}
+
+	out, err := session.Output(fmt.Sprintf("dd if=/dev/zero of=/dev/stdout bs=%d count=1", numBytes))
+	if err != nil {
+		t.Fatalf("Output: %v", err)
+	}
+
+	if len(out) != numBytes {
+		t.Fatalf("got %d bytes, want %d bytes", len(out), numBytes)
+	}
+}
+
+var deprecatedCiphers = []string{
+	"aes128-cbc", "3des-cbc",
+	"arcfour128", "arcfour256",
+}
+
 func TestCiphers(t *testing.T) {
 	var config ssh.Config
 	config.SetDefaults()
-	cipherOrder := config.Ciphers
-	// These ciphers will not be tested when commented out in cipher.go it will
-	// fallback to the next available as per line 292.
-	cipherOrder = append(cipherOrder, "aes128-cbc", "3des-cbc")
+	cipherOrder := append(config.Ciphers, deprecatedCiphers...)
 
 	for _, ciph := range cipherOrder {
 		t.Run(ciph, func(t *testing.T) {
-			server := newServer(t)
-			defer server.Shutdown()
-			conf := clientConfig()
-			conf.Ciphers = []string{ciph}
-			// Don't fail if sshd doesn't have the cipher.
-			conf.Ciphers = append(conf.Ciphers, cipherOrder...)
-			conn, err := server.TryDial(conf)
-			if err == nil {
-				conn.Close()
-			} else {
-				t.Fatalf("failed for cipher %q", ciph)
-			}
+			testOneCipher(t, ciph, cipherOrder)
 		})
 	}
 }
+
 func TestMACs(t *testing.T) {
 	var config ssh.Config
 	config.SetDefaults()

vendor/golang.org/x/crypto/ssh/transport.go

@@ -6,6 +6,7 @@ package ssh
 
 import (
 	"bufio"
+	"bytes"
 	"errors"
 	"io"
 	"log"
@@ -232,52 +233,22 @@ var (
 	clientKeys = direction{[]byte{'A'}, []byte{'C'}, []byte{'E'}}
 )
 
-// generateKeys generates key material for IV, MAC and encryption.
-func generateKeys(d direction, algs directionAlgorithms, kex *kexResult) (iv, key, macKey []byte) {
-	cipherMode := cipherModes[algs.Cipher]
-	macMode := macModes[algs.MAC]
-
-	iv = make([]byte, cipherMode.ivSize)
-	key = make([]byte, cipherMode.keySize)
-	macKey = make([]byte, macMode.keySize)
-
-	generateKeyMaterial(iv, d.ivTag, kex)
-	generateKeyMaterial(key, d.keyTag, kex)
-	generateKeyMaterial(macKey, d.macKeyTag, kex)
-	return
-}
-
 // setupKeys sets the cipher and MAC keys from kex.K, kex.H and sessionId, as
 // described in RFC 4253, section 6.4. direction should either be serverKeys
 // (to setup server->client keys) or clientKeys (for client->server keys).
 func newPacketCipher(d direction, algs directionAlgorithms, kex *kexResult) (packetCipher, error) {
-	iv, key, macKey := generateKeys(d, algs, kex)
+	cipherMode := cipherModes[algs.Cipher]
+	macMode := macModes[algs.MAC]
 
-	if algs.Cipher == gcmCipherID {
-		return newGCMCipher(iv, key)
-	}
+	iv := make([]byte, cipherMode.ivSize)
+	key := make([]byte, cipherMode.keySize)
+	macKey := make([]byte, macMode.keySize)
 
-	if algs.Cipher == aes128cbcID {
-		return newAESCBCCipher(iv, key, macKey, algs)
-	}
+	generateKeyMaterial(iv, d.ivTag, kex)
+	generateKeyMaterial(key, d.keyTag, kex)
+	generateKeyMaterial(macKey, d.macKeyTag, kex)
 
-	if algs.Cipher == tripledescbcID {
-		return newTripleDESCBCCipher(iv, key, macKey, algs)
-	}
-
-	c := &streamPacketCipher{
-		mac: macModes[algs.MAC].new(macKey),
-		etm: macModes[algs.MAC].etm,
-	}
-	c.macResult = make([]byte, c.mac.Size())
-
-	var err error
-	c.cipher, err = cipherModes[algs.Cipher].createStream(key, iv)
-	if err != nil {
-		return nil, err
-	}
-
-	return c, nil
+	return cipherModes[algs.Cipher].create(key, iv, macKey, algs)
 }
 
 // generateKeyMaterial fills out with key material generated from tag, K, H
@@ -342,7 +313,7 @@ func readVersion(r io.Reader) ([]byte, error) {
 	var ok bool
 	var buf [1]byte
 
-	for len(versionString) < maxVersionStringBytes {
+	for length := 0; length < maxVersionStringBytes; length++ {
 		_, err := io.ReadFull(r, buf[:])
 		if err != nil {
 			return nil, err
@@ -350,6 +321,13 @@ func readVersion(r io.Reader) ([]byte, error) {
 		// The RFC says that the version should be terminated with \r\n
 		// but several SSH servers actually only send a \n.
 		if buf[0] == '\n' {
+			if !bytes.HasPrefix(versionString, []byte("SSH-")) {
+				// RFC 4253 says we need to ignore all version string lines
+				// except the one containing the SSH version (provided that
+				// all the lines do not exceed 255 bytes in total).
+				versionString = versionString[:0]
+				continue
+			}
 			ok = true
 			break
 		}

vendor/golang.org/x/crypto/ssh/transport_test.go

@@ -13,11 +13,13 @@ import (
 )
 
 func TestReadVersion(t *testing.T) {
-	longversion := strings.Repeat("SSH-2.0-bla", 50)[:253]
+	longVersion := strings.Repeat("SSH-2.0-bla", 50)[:253]
+	multiLineVersion := strings.Repeat("ignored\r\n", 20) + "SSH-2.0-bla\r\n"
 	cases := map[string]string{
 		"SSH-2.0-bla\r\n":    "SSH-2.0-bla",
 		"SSH-2.0-bla\n":      "SSH-2.0-bla",
-		longversion + "\r\n": longversion,
+		multiLineVersion:     "SSH-2.0-bla",
+		longVersion + "\r\n": longVersion,
 	}
 
 	for in, want := range cases {
@@ -33,9 +35,11 @@ func TestReadVersion(t *testing.T) {
 }
 
 func TestReadVersionError(t *testing.T) {
-	longversion := strings.Repeat("SSH-2.0-bla", 50)[:253]
+	longVersion := strings.Repeat("SSH-2.0-bla", 50)[:253]
+	multiLineVersion := strings.Repeat("ignored\r\n", 50) + "SSH-2.0-bla\r\n"
 	cases := []string{
-		longversion + "too-long\r\n",
+		longVersion + "too-long\r\n",
+		multiLineVersion,
 	}
 	for _, in := range cases {
 		if _, err := readVersion(bytes.NewBufferString(in)); err == nil {
@@ -60,7 +64,7 @@ func TestExchangeVersionsBasic(t *testing.T) {
 func TestExchangeVersions(t *testing.T) {
 	cases := []string{
 		"not\x000allowed",
-		"not allowed\n",
+		"not allowed\x01\r\n",
 	}
 	for _, c := range cases {
 		buf := bytes.NewBufferString("SSH-2.0-bla\r\n")

vendor/golang.org/x/net/html/token.go

@@ -1161,8 +1161,8 @@ func (z *Tokenizer) TagAttr() (key, val []byte, moreAttr bool) {
 	return nil, nil, false
 }
 
-// Token returns the next Token. The result's Data and Attr values remain valid
-// after subsequent Next calls.
+// Token returns the current Token. The result's Data and Attr values remain
+// valid after subsequent Next calls.
 func (z *Tokenizer) Token() Token {
 	t := Token{Type: z.tt}
 	switch z.tt {

vendor/golang.org/x/net/http2/ciphers.go

@@ -5,7 +5,7 @@
 package http2
 
 // A list of the possible cipher suite ids. Taken from
-// http://www.iana.org/assignments/tls-parameters/tls-parameters.txt
+// https://www.iana.org/assignments/tls-parameters/tls-parameters.txt
 
 const (
 	cipher_TLS_NULL_WITH_NULL_NULL               uint16 = 0x0000

vendor/golang.org/x/net/http2/configure_transport.go

@@ -73,7 +73,7 @@ type noDialH2RoundTripper struct{ t *Transport }
 
 func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
 	res, err := rt.t.RoundTrip(req)
-	if err == ErrNoCachedConn {
+	if isNoCachedConnError(err) {
 		return nil, http.ErrSkipAltProtocol
 	}
 	return res, err

vendor/golang.org/x/net/http2/transport.go

@@ -306,7 +306,26 @@ func (sew stickyErrWriter) Write(p []byte) (n int, err error) {
 	return
 }
 
-var ErrNoCachedConn = errors.New("http2: no cached connection was available")
+// noCachedConnError is the concrete type of ErrNoCachedConn, which
+// needs to be detected by net/http regardless of whether it's its
+// bundled version (in h2_bundle.go with a rewritten type name) or
+// from a user's x/net/http2. As such, as it has a unique method name
+// (IsHTTP2NoCachedConnError) that net/http sniffs for via func
+// isNoCachedConnError.
+type noCachedConnError struct{}
+
+func (noCachedConnError) IsHTTP2NoCachedConnError() {}
+func (noCachedConnError) Error() string             { return "http2: no cached connection was available" }
+
+// isNoCachedConnError reports whether err is of type noCachedConnError
+// or its equivalent renamed type in net/http2's h2_bundle.go. Both types
+// may coexist in the same running program.
+func isNoCachedConnError(err error) bool {
+	_, ok := err.(interface{ IsHTTP2NoCachedConnError() })
+	return ok
+}
+
+var ErrNoCachedConn error = noCachedConnError{}
 
 // RoundTripOpt are options for the Transport.RoundTripOpt method.
 type RoundTripOpt struct {

vendor/golang.org/x/net/internal/iana/gen.go

@@ -28,15 +28,15 @@ var registries = []struct {
 	parse func(io.Writer, io.Reader) error
 }{
 	{
-		"http://www.iana.org/assignments/dscp-registry/dscp-registry.xml",
+		"https://www.iana.org/assignments/dscp-registry/dscp-registry.xml",
 		parseDSCPRegistry,
 	},
 	{
-		"http://www.iana.org/assignments/ipv4-tos-byte/ipv4-tos-byte.xml",
+		"https://www.iana.org/assignments/ipv4-tos-byte/ipv4-tos-byte.xml",
 		parseTOSTCByte,
 	},
 	{
-		"http://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml",
+		"https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml",
 		parseProtocolNumbers,
 	},
 }

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

@@ -72,7 +72,7 @@ var registries = []struct {
 	parse func(io.Writer, io.Reader) error
 }{
 	{
-		"http://www.iana.org/assignments/icmp-parameters/icmp-parameters.xml",
+		"https://www.iana.org/assignments/icmp-parameters/icmp-parameters.xml",
 		parseICMPv4Parameters,
 	},
 }

vendor/golang.org/x/net/ipv6/gen.go

@@ -72,7 +72,7 @@ var registries = []struct {
 	parse func(io.Writer, io.Reader) error
 }{
 	{
-		"http://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xml",
+		"https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xml",
 		parseICMPv6Parameters,
 	},
 }

vendor/golang.org/x/sys/plan9/asm_plan9_arm.s

@@ -0,0 +1,25 @@
+// Copyright 2009 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.
+
+#include "textflag.h"
+
+// System call support for plan9 on arm
+
+// Just jump to package syscall's implementation for all these functions.
+// The runtime may know about them.
+
+TEXT ·Syscall(SB),NOSPLIT,$0-32
+	JMP	syscall·Syscall(SB)
+
+TEXT ·Syscall6(SB),NOSPLIT,$0-44
+	JMP	syscall·Syscall6(SB)
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-28
+	JMP	syscall·RawSyscall(SB)
+
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
+	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·seek(SB),NOSPLIT,$0-36
+	JMP	syscall·exit(SB)

vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go

@@ -0,0 +1,284 @@
+// mksyscall.pl -l32 -plan9 -tags plan9,arm syscall_plan9.go
+// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+
+// +build plan9,arm
+
+package plan9
+
+import "unsafe"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func fd2path(fd int, buf []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pipe(p *[2]int32) (err error) {
+	r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func await(s []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(s) > 0 {
+		_p0 = unsafe.Pointer(&s[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func open(path string, mode int) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func create(path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func remove(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func stat(path string, edir []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(edir) > 0 {
+		_p1 = unsafe.Pointer(&edir[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func bind(name string, old string, flag int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(name)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(old)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func mount(fd int, afd int, old string, flag int, aname string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(old)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(aname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func wstat(path string, edir []byte) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(edir) > 0 {
+		_p1 = unsafe.Pointer(&edir[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func chdir(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Dup(oldfd int, newfd int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0)
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pread(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Close(fd int) (err error) {
+	r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fstat(fd int, edir []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(edir) > 0 {
+		_p0 = unsafe.Pointer(&edir[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fwstat(fd int, edir []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(edir) > 0 {
+		_p0 = unsafe.Pointer(&edir[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}

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

@@ -6,97 +6,12 @@
 
 package unix
 
-import "unsafe"
-
-// readInt returns the size-bytes unsigned integer in native byte order at offset off.
-func readInt(b []byte, off, size uintptr) (u uint64, ok bool) {
-	if len(b) < int(off+size) {
-		return 0, false
-	}
-	if isBigEndian {
-		return readIntBE(b[off:], size), true
-	}
-	return readIntLE(b[off:], size), true
-}
-
-func readIntBE(b []byte, size uintptr) uint64 {
-	switch size {
-	case 1:
-		return uint64(b[0])
-	case 2:
-		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[1]) | uint64(b[0])<<8
-	case 4:
-		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[3]) | uint64(b[2])<<8 | uint64(b[1])<<16 | uint64(b[0])<<24
-	case 8:
-		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
-			uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
-	default:
-		panic("syscall: readInt with unsupported size")
-	}
-}
-
-func readIntLE(b []byte, size uintptr) uint64 {
-	switch size {
-	case 1:
-		return uint64(b[0])
-	case 2:
-		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[0]) | uint64(b[1])<<8
-	case 4:
-		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24
-	case 8:
-		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
-			uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
-	default:
-		panic("syscall: readInt with unsupported size")
-	}
-}
+import "syscall"
 
 // ParseDirent parses up to max directory entries in buf,
 // appending the names to names. It returns the number of
 // bytes consumed from buf, the number of entries added
 // to names, and the new names slice.
 func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
-	origlen := len(buf)
-	count = 0
-	for max != 0 && len(buf) > 0 {
-		reclen, ok := direntReclen(buf)
-		if !ok || reclen > uint64(len(buf)) {
-			return origlen, count, names
-		}
-		rec := buf[:reclen]
-		buf = buf[reclen:]
-		ino, ok := direntIno(rec)
-		if !ok {
-			break
-		}
-		if ino == 0 { // File absent in directory.
-			continue
-		}
-		const namoff = uint64(unsafe.Offsetof(Dirent{}.Name))
-		namlen, ok := direntNamlen(rec)
-		if !ok || namoff+namlen > uint64(len(rec)) {
-			break
-		}
-		name := rec[namoff : namoff+namlen]
-		for i, c := range name {
-			if c == 0 {
-				name = name[:i]
-				break
-			}
-		}
-		// Check for useless names before allocating a string.
-		if string(name) == "." || string(name) == ".." {
-			continue
-		}
-		max--
-		count++
-		names = append(names, string(name))
-	}
-	return origlen - len(buf), count, names
+	return syscall.ParseDirent(buf, max, names)
 }

vendor/golang.org/x/sys/unix/linux/types.go

@@ -47,11 +47,12 @@ package unix
 #include <sys/utsname.h>
 #include <sys/wait.h>
 #include <linux/filter.h>
+#include <linux/icmpv6.h>
 #include <linux/keyctl.h>
 #include <linux/netlink.h>
 #include <linux/perf_event.h>
 #include <linux/rtnetlink.h>
-#include <linux/icmpv6.h>
+#include <linux/stat.h>
 #include <asm/termbits.h>
 #include <asm/ptrace.h>
 #include <time.h>
@@ -116,6 +117,21 @@ struct stat {
 
 #endif
 
+// These are defined in linux/fcntl.h, but including it globally causes
+// conflicts with fcntl.h
+#ifndef AT_STATX_SYNC_TYPE
+# define AT_STATX_SYNC_TYPE	0x6000	// Type of synchronisation required from statx()
+#endif
+#ifndef AT_STATX_SYNC_AS_STAT
+# define AT_STATX_SYNC_AS_STAT	0x0000	// - Do whatever stat() does
+#endif
+#ifndef AT_STATX_FORCE_SYNC
+# define AT_STATX_FORCE_SYNC	0x2000	// - Force the attributes to be sync'd with the server
+#endif
+#ifndef AT_STATX_DONT_SYNC
+# define AT_STATX_DONT_SYNC	0x4000	// - Don't sync attributes with the server
+#endif
+
 #ifdef TCSETS2
 // On systems that have "struct termios2" use this as type Termios.
 typedef struct termios2 termios_t;
@@ -146,7 +162,21 @@ struct sockaddr_hci {
         sa_family_t     hci_family;
         unsigned short  hci_dev;
         unsigned short  hci_channel;
-};;
+};
+
+// copied from /usr/include/bluetooth/bluetooth.h
+#define BDADDR_BREDR           0x00
+#define BDADDR_LE_PUBLIC       0x01
+#define BDADDR_LE_RANDOM       0x02
+
+// copied from /usr/include/bluetooth/l2cap.h
+struct sockaddr_l2 {
+	sa_family_t	l2_family;
+	unsigned short	l2_psm;
+	uint8_t		l2_bdaddr[6];
+	unsigned short	l2_cid;
+	uint8_t		l2_bdaddr_type;
+};
 
 // copied from /usr/include/linux/un.h
 struct my_sockaddr_un {
@@ -249,6 +279,10 @@ type Stat_t C.struct_stat
 
 type Statfs_t C.struct_statfs
 
+type StatxTimestamp C.struct_statx_timestamp
+
+type Statx_t C.struct_statx
+
 type Dirent C.struct_dirent
 
 type Fsid C.fsid_t
@@ -290,6 +324,8 @@ type RawSockaddrNetlink C.struct_sockaddr_nl
 
 type RawSockaddrHCI C.struct_sockaddr_hci
 
+type RawSockaddrL2 C.struct_sockaddr_l2
+
 type RawSockaddrCAN C.struct_sockaddr_can
 
 type RawSockaddrALG C.struct_sockaddr_alg
@@ -338,6 +374,7 @@ const (
 	SizeofSockaddrLinklayer = C.sizeof_struct_sockaddr_ll
 	SizeofSockaddrNetlink   = C.sizeof_struct_sockaddr_nl
 	SizeofSockaddrHCI       = C.sizeof_struct_sockaddr_hci
+	SizeofSockaddrL2        = C.sizeof_struct_sockaddr_l2
 	SizeofSockaddrCAN       = C.sizeof_struct_sockaddr_can
 	SizeofSockaddrALG       = C.sizeof_struct_sockaddr_alg
 	SizeofSockaddrVM        = C.sizeof_struct_sockaddr_vm
@@ -513,9 +550,15 @@ type Ustat_t C.struct_ustat
 type EpollEvent C.struct_my_epoll_event
 
 const (
-	AT_FDCWD            = C.AT_FDCWD
-	AT_NO_AUTOMOUNT     = C.AT_NO_AUTOMOUNT
-	AT_REMOVEDIR        = C.AT_REMOVEDIR
+	AT_EMPTY_PATH   = C.AT_EMPTY_PATH
+	AT_FDCWD        = C.AT_FDCWD
+	AT_NO_AUTOMOUNT = C.AT_NO_AUTOMOUNT
+	AT_REMOVEDIR    = C.AT_REMOVEDIR
+
+	AT_STATX_SYNC_AS_STAT = C.AT_STATX_SYNC_AS_STAT
+	AT_STATX_FORCE_SYNC   = C.AT_STATX_FORCE_SYNC
+	AT_STATX_DONT_SYNC    = C.AT_STATX_DONT_SYNC
+
 	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
 	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
 )
@@ -617,3 +660,11 @@ const (
 	_CPU_SETSIZE = C.__CPU_SETSIZE
 	_NCPUBITS    = C.__NCPUBITS
 )
+
+// Bluetooth
+
+const (
+	BDADDR_BREDR     = C.BDADDR_BREDR
+	BDADDR_LE_PUBLIC = C.BDADDR_LE_PUBLIC
+	BDADDR_LE_RANDOM = C.BDADDR_LE_RANDOM
+)

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

@@ -187,6 +187,7 @@ struct ltchars {
 #include <linux/vm_sockets.h>
 #include <linux/taskstats.h>
 #include <linux/genetlink.h>
+#include <linux/stat.h>
 #include <linux/watchdog.h>
 #include <net/route.h>
 #include <asm/termbits.h>
@@ -428,6 +429,7 @@ ccflags="$@"
 		$2 ~ /^(TASKSTATS|TS)_/ ||
 		$2 ~ /^CGROUPSTATS_/ ||
 		$2 ~ /^GENL_/ ||
+		$2 ~ /^STATX_/ ||
 		$2 ~ /^UTIME_/ ||
 		$2 ~ /^XATTR_(CREATE|REPLACE)/ ||
 		$2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||

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

@@ -61,14 +61,18 @@ func main() {
 	convertUtsnameRegex := regexp.MustCompile(`((Sys|Node|Domain)name|Release|Version|Machine)(\s+)\[(\d+)\]u?int8`)
 	b = convertUtsnameRegex.ReplaceAll(b, []byte("$1$3[$4]byte"))
 
+	// Remove spare fields (e.g. in Statx_t)
+	spareFieldsRegex := regexp.MustCompile(`X__spare\S*`)
+	b = spareFieldsRegex.ReplaceAll(b, []byte("_"))
+
+	// Remove cgo padding fields
+	removePaddingFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`)
+	b = removePaddingFieldsRegex.ReplaceAll(b, []byte("_"))
+
 	// We refuse to export private fields on s390x
 	if goarch == "s390x" && goos == "linux" {
-		// Remove cgo padding fields
-		removeFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`)
-		b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
-
 		// Remove padding, hidden, or unused fields
-		removeFieldsRegex = regexp.MustCompile(`X_\S+`)
+		removeFieldsRegex = regexp.MustCompile(`\bX_\S+`)
 		b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
 	}
 

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

@@ -36,6 +36,7 @@ func Getwd() (string, error) {
 	return "", ENOTSUP
 }
 
+// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
 type SockaddrDatalink struct {
 	Len    uint8
 	Family uint8
@@ -76,18 +77,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
 func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
 func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }

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

@@ -14,6 +14,7 @@ package unix
 
 import "unsafe"
 
+// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
 type SockaddrDatalink struct {
 	Len    uint8
 	Family uint8
@@ -56,22 +57,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	namlen, ok := direntNamlen(buf)
-	if !ok {
-		return 0, false
-	}
-	return (16 + namlen + 1 + 7) &^ 7, true
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sysnb pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {

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

@@ -14,6 +14,7 @@ package unix
 
 import "unsafe"
 
+// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
 type SockaddrDatalink struct {
 	Len    uint8
 	Family uint8
@@ -54,18 +55,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sysnb pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {

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

@@ -420,6 +420,7 @@ func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), sl, nil
 }
 
+// SockaddrLinklayer implements the Sockaddr interface for AF_PACKET type sockets.
 type SockaddrLinklayer struct {
 	Protocol uint16
 	Ifindex  int
@@ -446,6 +447,7 @@ func (sa *SockaddrLinklayer) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrLinklayer, nil
 }
 
+// SockaddrNetlink implements the Sockaddr interface for AF_NETLINK type sockets.
 type SockaddrNetlink struct {
 	Family uint16
 	Pad    uint16
@@ -462,6 +464,8 @@ func (sa *SockaddrNetlink) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrNetlink, nil
 }
 
+// SockaddrHCI implements the Sockaddr interface for AF_BLUETOOTH type sockets
+// using the HCI protocol.
 type SockaddrHCI struct {
 	Dev     uint16
 	Channel uint16
@@ -475,6 +479,31 @@ func (sa *SockaddrHCI) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrHCI, nil
 }
 
+// SockaddrL2 implements the Sockaddr interface for AF_BLUETOOTH type sockets
+// using the L2CAP protocol.
+type SockaddrL2 struct {
+	PSM      uint16
+	CID      uint16
+	Addr     [6]uint8
+	AddrType uint8
+	raw      RawSockaddrL2
+}
+
+func (sa *SockaddrL2) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	sa.raw.Family = AF_BLUETOOTH
+	psm := (*[2]byte)(unsafe.Pointer(&sa.raw.Psm))
+	psm[0] = byte(sa.PSM)
+	psm[1] = byte(sa.PSM >> 8)
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Bdaddr[i] = sa.Addr[len(sa.Addr)-1-i]
+	}
+	cid := (*[2]byte)(unsafe.Pointer(&sa.raw.Cid))
+	cid[0] = byte(sa.CID)
+	cid[1] = byte(sa.CID >> 8)
+	sa.raw.Bdaddr_type = sa.AddrType
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrL2, nil
+}
+
 // SockaddrCAN implements the Sockaddr interface for AF_CAN type sockets.
 // The RxID and TxID fields are used for transport protocol addressing in
 // (CAN_TP16, CAN_TP20, CAN_MCNET, and CAN_ISOTP), they can be left with
@@ -1197,22 +1226,6 @@ func ReadDirent(fd int, buf []byte) (n int, err error) {
 	return Getdents(fd, buf)
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	reclen, ok := direntReclen(buf)
-	if !ok {
-		return 0, false
-	}
-	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
-}
-
 //sys	mount(source string, target string, fstype string, flags uintptr, data *byte) (err error)
 
 func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) {
@@ -1318,6 +1331,7 @@ func Setgid(uid int) (err error) {
 
 //sys	Setpriority(which int, who int, prio int) (err error)
 //sys	Setxattr(path string, attr string, data []byte, flags int) (err error)
+//sys	Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error)
 //sys	Sync()
 //sys	Syncfs(fd int) (err error)
 //sysnb	Sysinfo(info *Sysinfo_t) (err error)

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

@@ -20,9 +20,12 @@ func TestFchmodat(t *testing.T) {
 	defer chtmpdir(t)()
 
 	touch(t, "file1")
-	os.Symlink("file1", "symlink1")
+	err := os.Symlink("file1", "symlink1")
+	if err != nil {
+		t.Fatal(err)
+	}
 
-	err := unix.Fchmodat(unix.AT_FDCWD, "symlink1", 0444, 0)
+	err = unix.Fchmodat(unix.AT_FDCWD, "symlink1", 0444, 0)
 	if err != nil {
 		t.Fatalf("Fchmodat: unexpected error: %v", err)
 	}
@@ -239,7 +242,10 @@ func TestFstatat(t *testing.T) {
 		t.Errorf("Fstatat: returned stat does not match Stat")
 	}
 
-	os.Symlink("file1", "symlink1")
+	err = os.Symlink("file1", "symlink1")
+	if err != nil {
+		t.Fatal(err)
+	}
 
 	err = unix.Lstat("symlink1", &st1)
 	if err != nil {
@@ -308,6 +314,96 @@ func TestSchedSetaffinity(t *testing.T) {
 	}
 }
 
+func TestStatx(t *testing.T) {
+	var stx unix.Statx_t
+	err := unix.Statx(unix.AT_FDCWD, ".", 0, 0, &stx)
+	if err == unix.ENOSYS {
+		t.Skip("statx syscall is not available, skipping test")
+	} else if err != nil {
+		t.Fatalf("Statx: %v", err)
+	}
+
+	defer chtmpdir(t)()
+	touch(t, "file1")
+
+	var st unix.Stat_t
+	err = unix.Stat("file1", &st)
+	if err != nil {
+		t.Fatalf("Stat: %v", err)
+	}
+
+	flags := unix.AT_STATX_SYNC_AS_STAT
+	err = unix.Statx(unix.AT_FDCWD, "file1", flags, unix.STATX_ALL, &stx)
+	if err != nil {
+		t.Fatalf("Statx: %v", err)
+	}
+
+	if uint32(stx.Mode) != st.Mode {
+		t.Errorf("Statx: returned stat mode does not match Stat")
+	}
+
+	atime := unix.StatxTimestamp{Sec: int64(st.Atim.Sec), Nsec: uint32(st.Atim.Nsec)}
+	ctime := unix.StatxTimestamp{Sec: int64(st.Ctim.Sec), Nsec: uint32(st.Ctim.Nsec)}
+	mtime := unix.StatxTimestamp{Sec: int64(st.Mtim.Sec), Nsec: uint32(st.Mtim.Nsec)}
+
+	if stx.Atime != atime {
+		t.Errorf("Statx: returned stat atime does not match Stat")
+	}
+	if stx.Ctime != ctime {
+		t.Errorf("Statx: returned stat ctime does not match Stat")
+	}
+	if stx.Mtime != mtime {
+		t.Errorf("Statx: returned stat mtime does not match Stat")
+	}
+
+	err = os.Symlink("file1", "symlink1")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = unix.Lstat("symlink1", &st)
+	if err != nil {
+		t.Fatalf("Lstat: %v", err)
+	}
+
+	err = unix.Statx(unix.AT_FDCWD, "symlink1", flags, unix.STATX_BASIC_STATS, &stx)
+	if err != nil {
+		t.Fatalf("Statx: %v", err)
+	}
+
+	// follow symlink, expect a regulat file
+	if stx.Mode&unix.S_IFREG == 0 {
+		t.Errorf("Statx: didn't follow symlink")
+	}
+
+	err = unix.Statx(unix.AT_FDCWD, "symlink1", flags|unix.AT_SYMLINK_NOFOLLOW, unix.STATX_ALL, &stx)
+	if err != nil {
+		t.Fatalf("Statx: %v", err)
+	}
+
+	// follow symlink, expect a symlink
+	if stx.Mode&unix.S_IFLNK == 0 {
+		t.Errorf("Statx: unexpectedly followed symlink")
+	}
+	if uint32(stx.Mode) != st.Mode {
+		t.Errorf("Statx: returned stat mode does not match Lstat")
+	}
+
+	atime = unix.StatxTimestamp{Sec: int64(st.Atim.Sec), Nsec: uint32(st.Atim.Nsec)}
+	ctime = unix.StatxTimestamp{Sec: int64(st.Ctim.Sec), Nsec: uint32(st.Ctim.Nsec)}
+	mtime = unix.StatxTimestamp{Sec: int64(st.Mtim.Sec), Nsec: uint32(st.Mtim.Nsec)}
+
+	if stx.Atime != atime {
+		t.Errorf("Statx: returned stat atime does not match Lstat")
+	}
+	if stx.Ctime != ctime {
+		t.Errorf("Statx: returned stat ctime does not match Lstat")
+	}
+	if stx.Mtime != mtime {
+		t.Errorf("Statx: returned stat mtime does not match Lstat")
+	}
+}
+
 // utilities taken from os/os_test.go
 
 func touch(t *testing.T, name string) {

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

@@ -17,6 +17,7 @@ import (
 	"unsafe"
 )
 
+// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
 type SockaddrDatalink struct {
 	Len    uint8
 	Family uint8
@@ -92,18 +93,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return mib, nil
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sysnb pipe() (fd1 int, fd2 int, err error)
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {

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

@@ -18,6 +18,7 @@ import (
 	"unsafe"
 )
 
+// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
 type SockaddrDatalink struct {
 	Len    uint8
 	Family uint8
@@ -42,18 +43,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return nil, EINVAL
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sysnb pipe(p *[2]_C_int) (err error)
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {

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

@@ -23,6 +23,7 @@ type syscallFunc uintptr
 func rawSysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
 func sysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
+// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
 type SockaddrDatalink struct {
 	Family uint16
 	Index  uint16
@@ -34,22 +35,6 @@ type SockaddrDatalink struct {
 	raw    RawSockaddrDatalink
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	reclen, ok := direntReclen(buf)
-	if !ok {
-		return 0, false
-	}
-	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
-}
-
 //sysnb	pipe(p *[2]_C_int) (n int, err error)
 
 func Pipe(p []int) (err error) {

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

@@ -149,16 +149,19 @@ func Write(fd int, p []byte) (n int, err error) {
 // creation of IPv6 sockets to return EAFNOSUPPORT.
 var SocketDisableIPv6 bool
 
+// Sockaddr represents a socket address.
 type Sockaddr interface {
 	sockaddr() (ptr unsafe.Pointer, len _Socklen, err error) // lowercase; only we can define Sockaddrs
 }
 
+// SockaddrInet4 implements the Sockaddr interface for AF_INET type sockets.
 type SockaddrInet4 struct {
 	Port int
 	Addr [4]byte
 	raw  RawSockaddrInet4
 }
 
+// SockaddrInet6 implements the Sockaddr interface for AF_INET6 type sockets.
 type SockaddrInet6 struct {
 	Port   int
 	ZoneId uint32
@@ -166,6 +169,7 @@ type SockaddrInet6 struct {
 	raw    RawSockaddrInet6
 }
 
+// SockaddrUnix implements the Sockaddr interface for AF_UNIX type sockets.
 type SockaddrUnix struct {
 	Name string
 	raw  RawSockaddrUnix

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

@@ -1638,6 +1638,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1639,6 +1639,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1643,6 +1643,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1629,6 +1629,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1641,6 +1641,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1641,6 +1641,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1641,6 +1641,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1641,6 +1641,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1696,6 +1696,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1696,6 +1696,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1700,6 +1700,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

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

@@ -1238,6 +1238,21 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_STATX, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), uintptr(mask), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() {
 	SyscallNoError(SYS_SYNC, 0, 0, 0)
 	return

vendor/golang.org/x/sys/unix/ztypes_linux_386.go

@@ -52,7 +52,7 @@ type Timex struct {
 	Errcnt    int32
 	Stbcnt    int32
 	Tai       int32
-	Pad_cgo_0 [44]byte
+	_         [44]byte
 }
 
 type Time_t int32
@@ -98,7 +98,7 @@ type _Gid_t uint32
 type Stat_t struct {
 	Dev       uint64
 	X__pad1   uint16
-	Pad_cgo_0 [2]byte
+	_         [2]byte
 	X__st_ino uint32
 	Mode      uint32
 	Nlink     uint32
@@ -106,7 +106,7 @@ type Stat_t struct {
 	Gid       uint32
 	Rdev      uint64
 	X__pad2   uint16
-	Pad_cgo_1 [2]byte
+	_         [2]byte
 	Size      int64
 	Blksize   int32
 	Blocks    int64
@@ -131,13 +131,43 @@ type Statfs_t struct {
 	Spare   [4]int32
 }
 
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
+}
+
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]int8
-	Pad_cgo_0 [1]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]int8
+	_      [1]byte
 }
 
 type Fsid struct {
@@ -224,11 +254,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -341,7 +380,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -376,6 +415,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -565,9 +605,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [2]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [2]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -643,9 +683,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -694,11 +740,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -710,13 +756,13 @@ type Taskstats struct {
 	Ac_comm                   [32]int8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -817,3 +863,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x20
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go

@@ -33,13 +33,13 @@ type Timeval struct {
 
 type Timex struct {
 	Modes     uint32
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Offset    int64
 	Freq      int64
 	Maxerror  int64
 	Esterror  int64
 	Status    int32
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 	Constant  int64
 	Precision int64
 	Tolerance int64
@@ -48,14 +48,14 @@ type Timex struct {
 	Ppsfreq   int64
 	Jitter    int64
 	Shift     int32
-	Pad_cgo_2 [4]byte
+	_         [4]byte
 	Stabil    int64
 	Jitcnt    int64
 	Calcnt    int64
 	Errcnt    int64
 	Stbcnt    int64
 	Tai       int32
-	Pad_cgo_3 [44]byte
+	_         [44]byte
 }
 
 type Time_t int64
@@ -131,13 +131,43 @@ type Statfs_t struct {
 	Spare   [4]int64
 }
 
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
+}
+
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]int8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]int8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -145,13 +175,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -226,11 +256,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -297,13 +336,13 @@ type PacketMreq struct {
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	Pad_cgo_0  [4]byte
+	_          [4]byte
 	Iov        *Iovec
 	Iovlen     uint64
 	Control    *byte
 	Controllen uint64
 	Flags      int32
-	Pad_cgo_1  [4]byte
+	_          [4]byte
 }
 
 type Cmsghdr struct {
@@ -345,7 +384,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -380,6 +419,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -569,9 +609,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [6]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [6]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -628,12 +668,12 @@ type Sysinfo_t struct {
 	Freeswap  uint64
 	Procs     uint16
 	Pad       uint16
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Totalhigh uint64
 	Freehigh  uint64
 	Unit      uint32
 	X_f       [0]int8
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 }
 
 type Utsname struct {
@@ -646,12 +686,12 @@ type Utsname struct {
 }
 
 type Ustat_t struct {
-	Tfree     int32
-	Pad_cgo_0 [4]byte
-	Tinode    uint64
-	Fname     [6]int8
-	Fpack     [6]int8
-	Pad_cgo_1 [4]byte
+	Tfree  int32
+	_      [4]byte
+	Tinode uint64
+	Fname  [6]int8
+	Fpack  [6]int8
+	_      [4]byte
 }
 
 type EpollEvent struct {
@@ -661,9 +701,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -712,11 +758,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -728,13 +774,13 @@ type Taskstats struct {
 	Ac_comm                   [32]int8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -835,3 +881,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x40
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

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

@@ -52,7 +52,7 @@ type Timex struct {
 	Errcnt    int32
 	Stbcnt    int32
 	Tai       int32
-	Pad_cgo_0 [44]byte
+	_         [44]byte
 }
 
 type Time_t int32
@@ -98,7 +98,7 @@ type _Gid_t uint32
 type Stat_t struct {
 	Dev       uint64
 	X__pad1   uint16
-	Pad_cgo_0 [2]byte
+	_         [2]byte
 	X__st_ino uint32
 	Mode      uint32
 	Nlink     uint32
@@ -106,10 +106,10 @@ type Stat_t struct {
 	Gid       uint32
 	Rdev      uint64
 	X__pad2   uint16
-	Pad_cgo_1 [6]byte
+	_         [6]byte
 	Size      int64
 	Blksize   int32
-	Pad_cgo_2 [4]byte
+	_         [4]byte
 	Blocks    int64
 	Atim      Timespec
 	Mtim      Timespec
@@ -118,28 +118,58 @@ type Stat_t struct {
 }
 
 type Statfs_t struct {
-	Type      int32
-	Bsize     int32
-	Blocks    uint64
-	Bfree     uint64
-	Bavail    uint64
-	Files     uint64
-	Ffree     uint64
-	Fsid      Fsid
-	Namelen   int32
-	Frsize    int32
-	Flags     int32
-	Spare     [4]int32
-	Pad_cgo_0 [4]byte
+	Type    int32
+	Bsize   int32
+	Blocks  uint64
+	Bfree   uint64
+	Bavail  uint64
+	Files   uint64
+	Ffree   uint64
+	Fsid    Fsid
+	Namelen int32
+	Frsize  int32
+	Flags   int32
+	Spare   [4]int32
+	_       [4]byte
+}
+
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
 }
 
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]uint8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]uint8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -147,13 +177,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -228,11 +258,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -345,7 +384,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -380,6 +419,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -569,9 +609,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [2]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [2]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -632,9 +672,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -683,11 +729,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -699,13 +745,13 @@ type Taskstats struct {
 	Ac_comm                   [32]uint8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -806,3 +852,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x20
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go

@@ -33,13 +33,13 @@ type Timeval struct {
 
 type Timex struct {
 	Modes     uint32
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Offset    int64
 	Freq      int64
 	Maxerror  int64
 	Esterror  int64
 	Status    int32
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 	Constant  int64
 	Precision int64
 	Tolerance int64
@@ -48,14 +48,14 @@ type Timex struct {
 	Ppsfreq   int64
 	Jitter    int64
 	Shift     int32
-	Pad_cgo_2 [4]byte
+	_         [4]byte
 	Stabil    int64
 	Jitcnt    int64
 	Calcnt    int64
 	Errcnt    int64
 	Stbcnt    int64
 	Tai       int32
-	Pad_cgo_3 [44]byte
+	_         [44]byte
 }
 
 type Time_t int64
@@ -132,13 +132,43 @@ type Statfs_t struct {
 	Spare   [4]int64
 }
 
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
+}
+
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]int8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]int8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -146,13 +176,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -227,11 +257,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -298,13 +337,13 @@ type PacketMreq struct {
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	Pad_cgo_0  [4]byte
+	_          [4]byte
 	Iov        *Iovec
 	Iovlen     uint64
 	Control    *byte
 	Controllen uint64
 	Flags      int32
-	Pad_cgo_1  [4]byte
+	_          [4]byte
 }
 
 type Cmsghdr struct {
@@ -346,7 +385,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -381,6 +420,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -570,9 +610,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [6]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [6]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -606,12 +646,12 @@ type Sysinfo_t struct {
 	Freeswap  uint64
 	Procs     uint16
 	Pad       uint16
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Totalhigh uint64
 	Freehigh  uint64
 	Unit      uint32
 	X_f       [0]int8
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 }
 
 type Utsname struct {
@@ -624,12 +664,12 @@ type Utsname struct {
 }
 
 type Ustat_t struct {
-	Tfree     int32
-	Pad_cgo_0 [4]byte
-	Tinode    uint64
-	Fname     [6]int8
-	Fpack     [6]int8
-	Pad_cgo_1 [4]byte
+	Tfree  int32
+	_      [4]byte
+	Tinode uint64
+	Fname  [6]int8
+	Fpack  [6]int8
+	_      [4]byte
 }
 
 type EpollEvent struct {
@@ -640,9 +680,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -691,11 +737,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -707,13 +753,13 @@ type Taskstats struct {
 	Ac_comm                   [32]int8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -814,3 +860,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x40
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

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

@@ -52,7 +52,7 @@ type Timex struct {
 	Errcnt    int32
 	Stbcnt    int32
 	Tai       int32
-	Pad_cgo_0 [44]byte
+	_         [44]byte
 }
 
 type Time_t int32
@@ -116,29 +116,59 @@ type Stat_t struct {
 }
 
 type Statfs_t struct {
-	Type      int32
-	Bsize     int32
-	Frsize    int32
-	Pad_cgo_0 [4]byte
-	Blocks    uint64
-	Bfree     uint64
-	Files     uint64
-	Ffree     uint64
-	Bavail    uint64
-	Fsid      Fsid
-	Namelen   int32
-	Flags     int32
-	Spare     [5]int32
-	Pad_cgo_1 [4]byte
+	Type    int32
+	Bsize   int32
+	Frsize  int32
+	_       [4]byte
+	Blocks  uint64
+	Bfree   uint64
+	Files   uint64
+	Ffree   uint64
+	Bavail  uint64
+	Fsid    Fsid
+	Namelen int32
+	Flags   int32
+	Spare   [5]int32
+	_       [4]byte
+}
+
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
 }
 
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]int8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]int8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -146,13 +176,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -227,11 +257,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -344,7 +383,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -379,6 +418,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -568,9 +608,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [2]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [2]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -637,9 +677,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -688,11 +734,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -704,13 +750,13 @@ type Taskstats struct {
 	Ac_comm                   [32]int8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -811,3 +857,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x20
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go

@@ -33,13 +33,13 @@ type Timeval struct {
 
 type Timex struct {
 	Modes     uint32
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Offset    int64
 	Freq      int64
 	Maxerror  int64
 	Esterror  int64
 	Status    int32
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 	Constant  int64
 	Precision int64
 	Tolerance int64
@@ -48,14 +48,14 @@ type Timex struct {
 	Ppsfreq   int64
 	Jitter    int64
 	Shift     int32
-	Pad_cgo_2 [4]byte
+	_         [4]byte
 	Stabil    int64
 	Jitcnt    int64
 	Calcnt    int64
 	Errcnt    int64
 	Stbcnt    int64
 	Tai       int32
-	Pad_cgo_3 [44]byte
+	_         [44]byte
 }
 
 type Time_t int64
@@ -132,13 +132,43 @@ type Statfs_t struct {
 	Spare   [5]int64
 }
 
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
+}
+
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]int8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]int8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -146,13 +176,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -227,11 +257,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -298,13 +337,13 @@ type PacketMreq struct {
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	Pad_cgo_0  [4]byte
+	_          [4]byte
 	Iov        *Iovec
 	Iovlen     uint64
 	Control    *byte
 	Controllen uint64
 	Flags      int32
-	Pad_cgo_1  [4]byte
+	_          [4]byte
 }
 
 type Cmsghdr struct {
@@ -346,7 +385,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -381,6 +420,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -570,9 +610,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [6]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [6]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -609,12 +649,12 @@ type Sysinfo_t struct {
 	Freeswap  uint64
 	Procs     uint16
 	Pad       uint16
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Totalhigh uint64
 	Freehigh  uint64
 	Unit      uint32
 	X_f       [0]int8
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 }
 
 type Utsname struct {
@@ -627,12 +667,12 @@ type Utsname struct {
 }
 
 type Ustat_t struct {
-	Tfree     int32
-	Pad_cgo_0 [4]byte
-	Tinode    uint64
-	Fname     [6]int8
-	Fpack     [6]int8
-	Pad_cgo_1 [4]byte
+	Tfree  int32
+	_      [4]byte
+	Tinode uint64
+	Fname  [6]int8
+	Fpack  [6]int8
+	_      [4]byte
 }
 
 type EpollEvent struct {
@@ -642,9 +682,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -693,11 +739,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -709,13 +755,13 @@ type Taskstats struct {
 	Ac_comm                   [32]int8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -816,3 +862,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x40
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go

@@ -33,13 +33,13 @@ type Timeval struct {
 
 type Timex struct {
 	Modes     uint32
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Offset    int64
 	Freq      int64
 	Maxerror  int64
 	Esterror  int64
 	Status    int32
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 	Constant  int64
 	Precision int64
 	Tolerance int64
@@ -48,14 +48,14 @@ type Timex struct {
 	Ppsfreq   int64
 	Jitter    int64
 	Shift     int32
-	Pad_cgo_2 [4]byte
+	_         [4]byte
 	Stabil    int64
 	Jitcnt    int64
 	Calcnt    int64
 	Errcnt    int64
 	Stbcnt    int64
 	Tai       int32
-	Pad_cgo_3 [44]byte
+	_         [44]byte
 }
 
 type Time_t int64
@@ -132,13 +132,43 @@ type Statfs_t struct {
 	Spare   [5]int64
 }
 
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
+}
+
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]int8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]int8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -146,13 +176,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -227,11 +257,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -298,13 +337,13 @@ type PacketMreq struct {
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	Pad_cgo_0  [4]byte
+	_          [4]byte
 	Iov        *Iovec
 	Iovlen     uint64
 	Control    *byte
 	Controllen uint64
 	Flags      int32
-	Pad_cgo_1  [4]byte
+	_          [4]byte
 }
 
 type Cmsghdr struct {
@@ -346,7 +385,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -381,6 +420,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -570,9 +610,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [6]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [6]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -609,12 +649,12 @@ type Sysinfo_t struct {
 	Freeswap  uint64
 	Procs     uint16
 	Pad       uint16
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Totalhigh uint64
 	Freehigh  uint64
 	Unit      uint32
 	X_f       [0]int8
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 }
 
 type Utsname struct {
@@ -627,12 +667,12 @@ type Utsname struct {
 }
 
 type Ustat_t struct {
-	Tfree     int32
-	Pad_cgo_0 [4]byte
-	Tinode    uint64
-	Fname     [6]int8
-	Fpack     [6]int8
-	Pad_cgo_1 [4]byte
+	Tfree  int32
+	_      [4]byte
+	Tinode uint64
+	Fname  [6]int8
+	Fpack  [6]int8
+	_      [4]byte
 }
 
 type EpollEvent struct {
@@ -642,9 +682,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -693,11 +739,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -709,13 +755,13 @@ type Taskstats struct {
 	Ac_comm                   [32]int8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -816,3 +862,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x40
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

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

@@ -52,7 +52,7 @@ type Timex struct {
 	Errcnt    int32
 	Stbcnt    int32
 	Tai       int32
-	Pad_cgo_0 [44]byte
+	_         [44]byte
 }
 
 type Time_t int32
@@ -116,29 +116,59 @@ type Stat_t struct {
 }
 
 type Statfs_t struct {
-	Type      int32
-	Bsize     int32
-	Frsize    int32
-	Pad_cgo_0 [4]byte
-	Blocks    uint64
-	Bfree     uint64
-	Files     uint64
-	Ffree     uint64
-	Bavail    uint64
-	Fsid      Fsid
-	Namelen   int32
-	Flags     int32
-	Spare     [5]int32
-	Pad_cgo_1 [4]byte
+	Type    int32
+	Bsize   int32
+	Frsize  int32
+	_       [4]byte
+	Blocks  uint64
+	Bfree   uint64
+	Files   uint64
+	Ffree   uint64
+	Bavail  uint64
+	Fsid    Fsid
+	Namelen int32
+	Flags   int32
+	Spare   [5]int32
+	_       [4]byte
+}
+
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
 }
 
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]int8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]int8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -146,13 +176,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -227,11 +257,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -344,7 +383,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -379,6 +418,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -568,9 +608,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [2]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [2]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -637,9 +677,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -688,11 +734,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -704,13 +750,13 @@ type Taskstats struct {
 	Ac_comm                   [32]int8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -811,3 +857,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x20
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go

@@ -33,13 +33,13 @@ type Timeval struct {
 
 type Timex struct {
 	Modes     uint32
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Offset    int64
 	Freq      int64
 	Maxerror  int64
 	Esterror  int64
 	Status    int32
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 	Constant  int64
 	Precision int64
 	Tolerance int64
@@ -48,14 +48,14 @@ type Timex struct {
 	Ppsfreq   int64
 	Jitter    int64
 	Shift     int32
-	Pad_cgo_2 [4]byte
+	_         [4]byte
 	Stabil    int64
 	Jitcnt    int64
 	Calcnt    int64
 	Errcnt    int64
 	Stbcnt    int64
 	Tai       int32
-	Pad_cgo_3 [44]byte
+	_         [44]byte
 }
 
 type Time_t int64
@@ -133,13 +133,43 @@ type Statfs_t struct {
 	Spare   [4]int64
 }
 
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
+}
+
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]uint8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]uint8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -147,13 +177,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -228,11 +258,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -299,13 +338,13 @@ type PacketMreq struct {
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	Pad_cgo_0  [4]byte
+	_          [4]byte
 	Iov        *Iovec
 	Iovlen     uint64
 	Control    *byte
 	Controllen uint64
 	Flags      int32
-	Pad_cgo_1  [4]byte
+	_          [4]byte
 }
 
 type Cmsghdr struct {
@@ -347,7 +386,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -382,6 +421,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -571,9 +611,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [6]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [6]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -616,12 +656,12 @@ type Sysinfo_t struct {
 	Freeswap  uint64
 	Procs     uint16
 	Pad       uint16
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Totalhigh uint64
 	Freehigh  uint64
 	Unit      uint32
 	X_f       [0]uint8
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 }
 
 type Utsname struct {
@@ -634,12 +674,12 @@ type Utsname struct {
 }
 
 type Ustat_t struct {
-	Tfree     int32
-	Pad_cgo_0 [4]byte
-	Tinode    uint64
-	Fname     [6]uint8
-	Fpack     [6]uint8
-	Pad_cgo_1 [4]byte
+	Tfree  int32
+	_      [4]byte
+	Tinode uint64
+	Fname  [6]uint8
+	Fpack  [6]uint8
+	_      [4]byte
 }
 
 type EpollEvent struct {
@@ -650,9 +690,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -701,11 +747,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -717,13 +763,13 @@ type Taskstats struct {
 	Ac_comm                   [32]uint8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -824,3 +870,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x40
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go

@@ -33,13 +33,13 @@ type Timeval struct {
 
 type Timex struct {
 	Modes     uint32
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Offset    int64
 	Freq      int64
 	Maxerror  int64
 	Esterror  int64
 	Status    int32
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 	Constant  int64
 	Precision int64
 	Tolerance int64
@@ -48,14 +48,14 @@ type Timex struct {
 	Ppsfreq   int64
 	Jitter    int64
 	Shift     int32
-	Pad_cgo_2 [4]byte
+	_         [4]byte
 	Stabil    int64
 	Jitcnt    int64
 	Calcnt    int64
 	Errcnt    int64
 	Stbcnt    int64
 	Tai       int32
-	Pad_cgo_3 [44]byte
+	_         [44]byte
 }
 
 type Time_t int64
@@ -133,13 +133,43 @@ type Statfs_t struct {
 	Spare   [4]int64
 }
 
+type StatxTimestamp struct {
+	Sec         int64
+	Nsec        uint32
+	X__reserved int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
+}
+
 type Dirent struct {
-	Ino       uint64
-	Off       int64
-	Reclen    uint16
-	Type      uint8
-	Name      [256]uint8
-	Pad_cgo_0 [5]byte
+	Ino    uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Name   [256]uint8
+	_      [5]byte
 }
 
 type Fsid struct {
@@ -147,13 +177,13 @@ type Fsid struct {
 }
 
 type Flock_t struct {
-	Type      int16
-	Whence    int16
-	Pad_cgo_0 [4]byte
-	Start     int64
-	Len       int64
-	Pid       int32
-	Pad_cgo_1 [4]byte
+	Type   int16
+	Whence int16
+	_      [4]byte
+	Start  int64
+	Len    int64
+	Pid    int32
+	_      [4]byte
 }
 
 type FscryptPolicy struct {
@@ -228,11 +258,20 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
-	Family    uint16
-	Pad_cgo_0 [2]byte
-	Ifindex   int32
-	Addr      [8]byte
+	Family  uint16
+	_       [2]byte
+	Ifindex int32
+	Addr    [8]byte
 }
 
 type RawSockaddrALG struct {
@@ -299,13 +338,13 @@ type PacketMreq struct {
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	Pad_cgo_0  [4]byte
+	_          [4]byte
 	Iov        *Iovec
 	Iovlen     uint64
 	Control    *byte
 	Controllen uint64
 	Flags      int32
-	Pad_cgo_1  [4]byte
+	_          [4]byte
 }
 
 type Cmsghdr struct {
@@ -347,7 +386,7 @@ type TCPInfo struct {
 	Probes         uint8
 	Backoff        uint8
 	Options        uint8
-	Pad_cgo_0      [2]byte
+	_              [2]byte
 	Rto            uint32
 	Ato            uint32
 	Snd_mss        uint32
@@ -382,6 +421,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -571,9 +611,9 @@ type SockFilter struct {
 }
 
 type SockFprog struct {
-	Len       uint16
-	Pad_cgo_0 [6]byte
-	Filter    *SockFilter
+	Len    uint16
+	_      [6]byte
+	Filter *SockFilter
 }
 
 type InotifyEvent struct {
@@ -616,12 +656,12 @@ type Sysinfo_t struct {
 	Freeswap  uint64
 	Procs     uint16
 	Pad       uint16
-	Pad_cgo_0 [4]byte
+	_         [4]byte
 	Totalhigh uint64
 	Freehigh  uint64
 	Unit      uint32
 	X_f       [0]uint8
-	Pad_cgo_1 [4]byte
+	_         [4]byte
 }
 
 type Utsname struct {
@@ -634,12 +674,12 @@ type Utsname struct {
 }
 
 type Ustat_t struct {
-	Tfree     int32
-	Pad_cgo_0 [4]byte
-	Tinode    uint64
-	Fname     [6]uint8
-	Fpack     [6]uint8
-	Pad_cgo_1 [4]byte
+	Tfree  int32
+	_      [4]byte
+	Tinode uint64
+	Fname  [6]uint8
+	Fpack  [6]uint8
+	_      [4]byte
 }
 
 type EpollEvent struct {
@@ -650,9 +690,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -701,11 +747,11 @@ type Winsize struct {
 
 type Taskstats struct {
 	Version                   uint16
-	Pad_cgo_0                 [2]byte
+	_                         [2]byte
 	Ac_exitcode               uint32
 	Ac_flag                   uint8
 	Ac_nice                   uint8
-	Pad_cgo_1                 [6]byte
+	_                         [6]byte
 	Cpu_count                 uint64
 	Cpu_delay_total           uint64
 	Blkio_count               uint64
@@ -717,13 +763,13 @@ type Taskstats struct {
 	Ac_comm                   [32]uint8
 	Ac_sched                  uint8
 	Ac_pad                    [3]uint8
-	Pad_cgo_2                 [4]byte
+	_                         [4]byte
 	Ac_uid                    uint32
 	Ac_gid                    uint32
 	Ac_pid                    uint32
 	Ac_ppid                   uint32
 	Ac_btime                  uint32
-	Pad_cgo_3                 [4]byte
+	_                         [4]byte
 	Ac_etime                  uint64
 	Ac_utime                  uint64
 	Ac_stime                  uint64
@@ -824,3 +870,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x40
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)

vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go

@@ -132,6 +132,36 @@ type Statfs_t struct {
 	_       [4]byte
 }
 
+type StatxTimestamp struct {
+	Sec  int64
+	Nsec uint32
+	_    int32
+}
+
+type Statx_t struct {
+	Mask            uint32
+	Blksize         uint32
+	Attributes      uint64
+	Nlink           uint32
+	Uid             uint32
+	Gid             uint32
+	Mode            uint16
+	_               [1]uint16
+	Ino             uint64
+	Size            uint64
+	Blocks          uint64
+	Attributes_mask uint64
+	Atime           StatxTimestamp
+	Btime           StatxTimestamp
+	Ctime           StatxTimestamp
+	Mtime           StatxTimestamp
+	Rdev_major      uint32
+	Rdev_minor      uint32
+	Dev_major       uint32
+	Dev_minor       uint32
+	_               [14]uint64
+}
+
 type Dirent struct {
 	Ino    uint64
 	Off    int64
@@ -227,6 +257,15 @@ type RawSockaddrHCI struct {
 	Channel uint16
 }
 
+type RawSockaddrL2 struct {
+	Family      uint16
+	Psm         uint16
+	Bdaddr      [6]uint8
+	Cid         uint16
+	Bdaddr_type uint8
+	_           [1]byte
+}
+
 type RawSockaddrCAN struct {
 	Family  uint16
 	_       [2]byte
@@ -381,6 +420,7 @@ const (
 	SizeofSockaddrLinklayer = 0x14
 	SizeofSockaddrNetlink   = 0xc
 	SizeofSockaddrHCI       = 0x6
+	SizeofSockaddrL2        = 0xe
 	SizeofSockaddrCAN       = 0x10
 	SizeofSockaddrALG       = 0x58
 	SizeofSockaddrVM        = 0x10
@@ -667,9 +707,15 @@ type EpollEvent struct {
 }
 
 const (
-	AT_FDCWD            = -0x64
-	AT_NO_AUTOMOUNT     = 0x800
-	AT_REMOVEDIR        = 0x200
+	AT_EMPTY_PATH   = 0x1000
+	AT_FDCWD        = -0x64
+	AT_NO_AUTOMOUNT = 0x800
+	AT_REMOVEDIR    = 0x200
+
+	AT_STATX_SYNC_AS_STAT = 0x0
+	AT_STATX_FORCE_SYNC   = 0x2000
+	AT_STATX_DONT_SYNC    = 0x4000
+
 	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x100
 )
@@ -841,3 +887,9 @@ const (
 	_CPU_SETSIZE = 0x400
 	_NCPUBITS    = 0x40
 )
+
+const (
+	BDADDR_BREDR     = 0x0
+	BDADDR_LE_PUBLIC = 0x1
+	BDADDR_LE_RANDOM = 0x2
+)