Merge pull request #1134 from jedevc/remote-driver-connhelpers

Remote driver connhelpers
2024-11-22 15:37:16 +08:00 · 2022-05-31 16:09:55 -07:00 · 2022-05-31 16:09:55 -07:00 · 71e4a39ae9
commit 71e4a39ae9
parent 009730f5fd 1406ff141b
117 changed files with 2730 additions and 675 deletions
--- a/commands/util.go
+++ b/commands/util.go
@ -9,6 +9,7 @@ import (
 	"github.com/docker/buildx/build"
 	"github.com/docker/buildx/driver"
 	ctxkube "github.com/docker/buildx/driver/kubernetes/context"
+	remoteutil "github.com/docker/buildx/driver/remote/util"
 	"github.com/docker/buildx/store"
 	"github.com/docker/buildx/store/storeutil"
 	"github.com/docker/buildx/util/platformutil"
@ -45,12 +46,8 @@ func validateEndpoint(dockerCli command.Cli, ep string) (string, error) {

 // validateBuildkitEndpoint validates that endpoint is a valid buildkit host
 func validateBuildkitEndpoint(ep string) (string, error) {
-	endpoint, err := url.Parse(ep)
-	if err != nil {
-		return "", errors.Wrapf(err, "failed to parse endpoint %s", ep)
-	}
-	if endpoint.Scheme != "tcp" && endpoint.Scheme != "unix" {
-		return "", errors.Errorf("unrecognized url scheme %s", endpoint.Scheme)
+	if err := remoteutil.IsValidEndpoint(ep); err != nil {
+		return "", err
 	}
 	return ep, nil
 }
--- a/docs/guides/remote-builder.md
+++ b/docs/guides/remote-builder.md
@ -115,6 +115,16 @@ $ docker buildx create \
  tcp://localhost:1234
 ```

+Alternatively, we could use the `docker-container://` URL scheme to connect
+to the buildkit container without specifying a port:
+
+```console
+$ docker buildx create \
+  --name remote-container \
+  --driver remote \
+  docker-container://remote-container
+```
+
 ## Remote Buildkit in Kubernetes

 In this scenario, we'll create a similar setup to the `kubernetes` driver by
@ -147,10 +157,24 @@ only creates a ClusterIP service). To configure the builder to be accessible
 remotely, you can use an appropriately configured Ingress, which is outside the
 scope of this guide.

-Alternatively, to access remotely use the port forwarding mechanism in kubectl:
+To access the service remotely, we can use the port forwarding mechanism in
+kubectl:

 ```console
 $ kubectl port-forward svc/buildkitd 1234:1234
 ```

 Then you can simply point the remote driver at `tcp://localhost:1234`.
+
+Alternatively, we could use the `kube-pod://` URL scheme to connect
+directly to a buildkit pod through the kubernetes api (note that this method
+will only connect to a single pod in the deployment):
+
+```console
+$ kubectl get pods --selector=app=buildkitd -o json | jq -r '.items[].metadata.name
+buildkitd-XXXXXXXXXX-xxxxx
+$ docker buildx create \
+  --name remote-container \
+  --driver remote \
+  kube-pod://buildkitd-XXXXXXXXXX-xxxxx
+```
--- a/driver/remote/factory.go
+++ b/driver/remote/factory.go
@ -4,10 +4,15 @@ import (
 	"context"
 	"net/url"
 	"path/filepath"
-	"regexp"
 	"strings"

+	// import connhelpers for special url schemes
+	_ "github.com/moby/buildkit/client/connhelper/dockercontainer"
+	_ "github.com/moby/buildkit/client/connhelper/kubepod"
+	_ "github.com/moby/buildkit/client/connhelper/ssh"
+
 	"github.com/docker/buildx/driver"
+	util "github.com/docker/buildx/driver/remote/util"
 	dockerclient "github.com/docker/docker/client"
 	"github.com/pkg/errors"
 )
@ -15,8 +20,6 @@ import (
 const prioritySupported = 20
 const priorityUnsupported = 90

-var schemeRegexp = regexp.MustCompile("^(tcp|unix)://")
-
 func init() {
 	driver.Register(&factory{})
 }
@ -33,10 +36,10 @@ func (*factory) Usage() string {
 }

 func (*factory) Priority(ctx context.Context, endpoint string, api dockerclient.APIClient) int {
-	if schemeRegexp.MatchString(endpoint) {
-		return prioritySupported
+	if util.IsValidEndpoint(endpoint) != nil {
+		return priorityUnsupported
 	}
-	return priorityUnsupported
+	return prioritySupported
 }

 func (f *factory) New(ctx context.Context, cfg driver.InitConfig) (driver.Driver, error) {
--- a/driver/remote/util/endpoint.go
+++ b/driver/remote/util/endpoint.go
@ -0,0 +1,26 @@
+package remote
+
+import (
+	"net/url"
+
+	"github.com/pkg/errors"
+)
+
+var schemes = map[string]struct{}{
+	"tcp":              {},
+	"unix":             {},
+	"ssh":              {},
+	"docker-container": {},
+	"kube-pod":         {},
+}
+
+func IsValidEndpoint(ep string) error {
+	endpoint, err := url.Parse(ep)
+	if err != nil {
+		return errors.Wrapf(err, "failed to parse endpoint %s", ep)
+	}
+	if _, ok := schemes[endpoint.Scheme]; !ok {
+		return errors.Errorf("unrecognized url scheme %s", endpoint.Scheme)
+	}
+	return nil
+}
--- a/go.mod
+++ b/go.mod
@ -5,8 +5,8 @@ go 1.17
 require (
 	github.com/compose-spec/compose-go v1.2.4
 	github.com/containerd/console v1.0.3
-	github.com/containerd/containerd v1.6.3-0.20220401172941-5ff8fce1fcc6
-	github.com/docker/cli v20.10.13+incompatible
+	github.com/containerd/containerd v1.6.4
+	github.com/docker/cli v20.10.14+incompatible
 	github.com/docker/cli-docs-tool v0.4.0
 	github.com/docker/distribution v2.8.1+incompatible
 	github.com/docker/docker v20.10.7+incompatible
@ -15,7 +15,7 @@ require (
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/hashicorp/go-cty-funcs v0.0.0-20200930094925-2721b1e36840
 	github.com/hashicorp/hcl/v2 v2.8.2
-	github.com/moby/buildkit v0.10.1-0.20220408230406-86c33b66e176
+	github.com/moby/buildkit v0.10.1-0.20220513101920-55f0ecfdafaa
 	github.com/morikuni/aec v1.0.0
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799
@ -39,7 +39,7 @@ require (
 require (
 	cloud.google.com/go v0.81.0 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
-	github.com/Microsoft/go-winio v0.5.1 // indirect
+	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/agext/levenshtein v1.2.3 // indirect
 	github.com/agl/ed25519 v0.0.0-20170116200512-5312a6153412 // indirect
 	github.com/apparentlymart/go-cidr v1.0.1 // indirect
@ -52,7 +52,7 @@ require (
 	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/cloudflare/cfssl v0.0.0-20181213083726-b94e044bb51e // indirect
-	github.com/containerd/continuity v0.2.3-0.20220330195504-d132b287edc8 // indirect
+	github.com/containerd/continuity v0.3.0 // indirect
 	github.com/containerd/ttrpc v1.1.0 // indirect
 	github.com/containerd/typeurl v1.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@ -107,7 +107,7 @@ require (
 	github.com/prometheus/common v0.32.1 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
 	github.com/theupdateframework/notary v0.6.1 // indirect
-	github.com/tonistiigi/fsutil v0.0.0-20220315205639-9ed612626da3 // indirect
+	github.com/tonistiigi/fsutil v0.0.0-20220510150904-0dbf3a8a7d58 // indirect
 	github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea // indirect
 	github.com/tonistiigi/vt100 v0.0.0-20210615222946-8066bb97264f // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
@ -125,14 +125,14 @@ require (
 	go.opentelemetry.io/otel/sdk v1.4.1 // indirect
 	go.opentelemetry.io/proto/otlp v0.12.0 // indirect
 	golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd // indirect
-	golang.org/x/net v0.0.0-20211216030914-fe4d6282115f // indirect
+	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
 	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f // indirect
-	golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect
-	golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b // indirect
+	golang.org/x/sys v0.0.0-20220405210540-1e041c57c461 // indirect
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa // indirect
+	google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
 	gopkg.in/dancannon/gorethink.v3 v3.0.5 // indirect
 	gopkg.in/fatih/pool.v2 v2.0.0 // indirect
--- a/go.sum
+++ b/go.sum
@ -1,5 +1,4 @@
 bazil.org/fuse v0.0.0-20160811212531-371fbbdaa898/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8=
-bazil.org/fuse v0.0.0-20200407214033-5883e5a4b512/go.mod h1:FbcW6z/2VytnFDhZfumh8Ss8zxHE6qpMP5sHTRe0EaM=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
@ -53,8 +52,8 @@ github.com/Azure/go-autorest/logger v0.2.1/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZ
 github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/Microsoft/go-winio v0.5.1 h1:aPJp2QD7OOrhO5tQXqQoGSJc+DjDtWTGLOmNyAm6FgY=
-github.com/Microsoft/go-winio v0.5.1/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
+github.com/Microsoft/go-winio v0.5.2 h1:a9IhgEQBCUEk6QCdml9CiJGhAws+YwffDHEMp1VMrpA=
+github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
 github.com/Microsoft/hcsshim v0.9.2 h1:wB06W5aYFfUB3IvootYAY2WnOmIdgPGfqSI6tufQNnY=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
@ -134,11 +133,11 @@ github.com/compose-spec/compose-go v1.2.4/go.mod h1:pAy7Mikpeft4pxkFU565/DRHEbDf
 github.com/containerd/cgroups v1.0.3 h1:ADZftAkglvCiD44c77s5YmMqaP2pzVCFZvBmAlBdAP4=
 github.com/containerd/console v1.0.3 h1:lIr7SlA5PxZyMV30bDW0MGbiOPXwc63yRuCP0ARubLw=
 github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkXar0TQ1gf3U=
-github.com/containerd/containerd v1.6.3-0.20220401172941-5ff8fce1fcc6 h1:nig7zto6cp3Wt1lPMK8EmyP6f/ZNmn/tL6ASQ7stews=
-github.com/containerd/containerd v1.6.3-0.20220401172941-5ff8fce1fcc6/go.mod h1:WSt2SnDLAGWlu+Vl+EWay37seZLKqgRt6XLjIMy8SYM=
+github.com/containerd/containerd v1.6.4 h1:SEDZBp10mhCp+hkO3Njz/YhGrI7ah3edNcUlRdUPOgg=
+github.com/containerd/containerd v1.6.4/go.mod h1:oWOqbuJUZmOVafhA0lj2NAXbiO1u7F0K5l1bUgdyo94=
 github.com/containerd/continuity v0.1.0/go.mod h1:ICJu0PwR54nI0yPEnJ6jcS+J7CZAUXrLh8lPo2knzsM=
-github.com/containerd/continuity v0.2.3-0.20220330195504-d132b287edc8 h1:yGFEcFNMhze29DxAAB33v/1OMRYF/cM9iwwgV2P0ZrE=
-github.com/containerd/continuity v0.2.3-0.20220330195504-d132b287edc8/go.mod h1:pWygW9u7LtS1o4N/Tn0FoCFDIXZ7rxcMX7HX1Dmibvk=
+github.com/containerd/continuity v0.3.0 h1:nisirsYROK15TAMVukJOUyGJjz4BNQJBVsNvAXZJ/eg=
+github.com/containerd/continuity v0.3.0/go.mod h1:wJEAIwKOm/pBZuBd0JmeTvnLquTB1Ag8espWhkykbPM=
 github.com/containerd/fifo v1.0.0 h1:6PirWBr9/L7GDamKr+XM0IeUFXu5mf3M/BPpH9gaLBU=
 github.com/containerd/ttrpc v1.1.0 h1:GbtyLRxb0gOLR0TYQWt3O6B0NvT8tMdorEHqIQo/lWI=
 github.com/containerd/ttrpc v1.1.0/go.mod h1:XX4ZTnoOId4HklF4edwc4DcqskFZuvXB1Evzy5KFQpQ=
@ -458,8 +457,8 @@ github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RR
 github.com/mitchellh/mapstructure v1.4.3 h1:OVowDSCllw/YjdLkam3/sm7wEtOy59d8ndGgCcyj8cs=
 github.com/mitchellh/mapstructure v1.4.3/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/osext v0.0.0-20151018003038-5e2d6d41470f/go.mod h1:OkQIRizQZAeMln+1tSwduZz7+Af5oFlKirV/MSYes2A=
-github.com/moby/buildkit v0.10.1-0.20220408230406-86c33b66e176 h1:qX9PbJl7NRkERPQ3vHidr+hiNTRPU1RKpDkOs0vPqg8=
-github.com/moby/buildkit v0.10.1-0.20220408230406-86c33b66e176/go.mod h1:zvLW+0cZ+NaX7INVLDAZ/9T8g57p9aEs1bM/eMV25/g=
+github.com/moby/buildkit v0.10.1-0.20220513101920-55f0ecfdafaa h1:Q8d1P3Ot+Z0eoynWkiWAfSyXRkvzPXqvUjE5y/Ycxw4=
+github.com/moby/buildkit v0.10.1-0.20220513101920-55f0ecfdafaa/go.mod h1:grddVHNUy3u8m1v5ZEbFKhpIwyGmLsSd8rRwJ5ccg7c=
 github.com/moby/locker v1.0.1 h1:fOXqR41zeveg4fFODix+1Ch4mj/gT0NE1XJbp/epuBg=
 github.com/moby/locker v1.0.1/go.mod h1:S7SDdo5zpBK84bzzVlKr2V0hz+7x9hWbYC/kq7oQppc=
 github.com/moby/spdystream v0.2.0 h1:cjW1zVyyoiM0T7b6UoySUFqzXMoqRckQtXwGPiBhOM8=
@ -508,8 +507,8 @@ github.com/opencontainers/runc v1.1.1 h1:PJ9DSs2sVwE0iVr++pAHE6QkS9tzcVWozlPifdw
 github.com/opencontainers/runc v1.1.1/go.mod h1:Tj1hFw6eFWp/o33uxGf5yF2BX5yz2Z6iptFpuvbbKqc=
 github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417 h1:3snG66yBm59tKhhSPQrQ/0bCrv1LQbKt40LnUPiUxdc=
 github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0=
-github.com/opencontainers/selinux v1.10.0 h1:rAiKF8hTcgLI3w0DHm6i0ylVVcOrlgR1kK99DRLDhyU=
 github.com/opencontainers/selinux v1.10.0/go.mod h1:2i0OySw99QjzBBQByd1Gr9gSjvuho1lHsJxIJ3gGbJI=
+github.com/opencontainers/selinux v1.10.1 h1:09LIPVRP3uuZGQvgR+SgMSNBd1Eb3vlRbGqQpoHsF8w=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
@ -617,13 +616,12 @@ github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635/go.mod h1:hkRG
 github.com/theupdateframework/notary v0.6.1 h1:7wshjstgS9x9F5LuB1L5mBI2xNMObWqjz+cjWoom6l0=
 github.com/theupdateframework/notary v0.6.1/go.mod h1:MOfgIfmox8s7/7fduvB2xyPPMJCrjRLRizA8OFwpnKY=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
-github.com/tonistiigi/fsutil v0.0.0-20220315205639-9ed612626da3 h1:T1pEe+WB3SCPVAfVquvfPfagKZU2Z8c1OP3SuGB+id0=
-github.com/tonistiigi/fsutil v0.0.0-20220315205639-9ed612626da3/go.mod h1:oPAfvw32vlUJSjyDcQ3Bu0nb2ON2B+G0dtVN/SZNJiA=
+github.com/tonistiigi/fsutil v0.0.0-20220510150904-0dbf3a8a7d58 h1:rNya5ozLqz0lK46XhmsmqJuxmQLM8dAWabiT+5gZqLY=
+github.com/tonistiigi/fsutil v0.0.0-20220510150904-0dbf3a8a7d58/go.mod h1:oPAfvw32vlUJSjyDcQ3Bu0nb2ON2B+G0dtVN/SZNJiA=
 github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea h1:SXhTLE6pb6eld/v/cCndK0AMpt1wiVFb/YYmqB3/QG0=
 github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea/go.mod h1:WPnis/6cRcDZSUvVmezrxJPkiO87ThFYsoUiMwWNDJk=
 github.com/tonistiigi/vt100 v0.0.0-20210615222946-8066bb97264f h1:DLpt6B5oaaS8jyXHa9VA4rrZloBVPVXeCtrOsrFauxc=
 github.com/tonistiigi/vt100 v0.0.0-20210615222946-8066bb97264f/go.mod h1:ulncasL3N9uLrVann0m+CDlJKWsIAP34MPcOJF6VRvc=
-github.com/tv42/httpunix v0.0.0-20191220191345-2ba4b9c3382c/go.mod h1:hzIxponao9Kjc7aWznkXaL4U4TWaDSs8zcsY4Ka08nM=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
@ -797,8 +795,8 @@ golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLd
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20210520170846-37e1c6afe023/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20211216030914-fe4d6282115f h1:hEYJvxw1lSnWIl8X9ofsYMklzaDs90JI2az5YMd4fPM=
-golang.org/x/net v0.0.0-20211216030914-fe4d6282115f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd h1:O7DYs+zxREGLKzKoMQrtrEacpb0ZVXA5rIwylE2Xchk=
+golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@ -852,7 +850,6 @@ golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20191115151921-52ab43148777/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191210023423-ac6580df4449/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -893,13 +890,14 @@ golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210906170528-6f6e22806c34/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211116061358-0a5406a5449c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 h1:XfKQ4OlFl8okEOr5UvAqFRVj8pY/4yfcXrddB8qAbU0=
 golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220405210540-1e041c57c461 h1:kHVeDEnfKn3T238CvrUcz6KeEsFHVaKh4kMTt6Wsysg=
+golang.org/x/sys v0.0.0-20220405210540-1e041c57c461/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b h1:9zKuko04nR4gjZ4+DNjHqRlAJqbJETHwiNKDqTfOjfE=
-golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@ -1049,8 +1047,8 @@ google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
-google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa h1:I0YcKz0I7OAhddo7ya8kMnvprhcWM045PmkBdMO9zN0=
-google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
+google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368 h1:Et6SkiuvnBn+SgrSYXs/BrUpGB4mbdwt4R3vaPIlicA=
+google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/grpc v0.0.0-20160317175043-d3ddb4469d5a/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
--- a/vendor/github.com/Microsoft/go-winio/file.go
+++ b/vendor/github.com/Microsoft/go-winio/file.go
@ -1,3 +1,4 @@
+//go:build windows
 // +build windows

 package winio
@ -143,6 +144,11 @@ func (f *win32File) Close() error {
 	return nil
 }

+// IsClosed checks if the file has been closed
+func (f *win32File) IsClosed() bool {
+	return f.closing.isSet()
+}
+
 // prepareIo prepares for a new IO operation.
 // The caller must call f.wg.Done() when the IO is finished, prior to Close() returning.
 func (f *win32File) prepareIo() (*ioOperation, error) {
--- a/vendor/github.com/Microsoft/go-winio/hvsock.go
+++ b/vendor/github.com/Microsoft/go-winio/hvsock.go
@ -1,3 +1,4 @@
+//go:build windows
 // +build windows

 package winio
@ -252,15 +253,23 @@ func (conn *HvsockConn) Close() error {
 	return conn.sock.Close()
 }

+func (conn *HvsockConn) IsClosed() bool {
+	return conn.sock.IsClosed()
+}
+
 func (conn *HvsockConn) shutdown(how int) error {
-	err := syscall.Shutdown(conn.sock.handle, syscall.SHUT_RD)
+	if conn.IsClosed() {
+		return ErrFileClosed
+	}
+
+	err := syscall.Shutdown(conn.sock.handle, how)
 	if err != nil {
 		return os.NewSyscallError("shutdown", err)
 	}
 	return nil
 }

-// CloseRead shuts down the read end of the socket.
+// CloseRead shuts down the read end of the socket, preventing future read operations.
 func (conn *HvsockConn) CloseRead() error {
 	err := conn.shutdown(syscall.SHUT_RD)
 	if err != nil {
@ -269,8 +278,8 @@ func (conn *HvsockConn) CloseRead() error {
 	return nil
 }

-// CloseWrite shuts down the write end of the socket, notifying the other endpoint that
-// no more data will be written.
+// CloseWrite shuts down the write end of the socket, preventing future write operations and
+// notifying the other endpoint that no more data will be written.
 func (conn *HvsockConn) CloseWrite() error {
 	err := conn.shutdown(syscall.SHUT_WR)
 	if err != nil {
--- a/vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go
+++ b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go
@ -14,8 +14,6 @@ import (
 	"encoding/binary"
 	"fmt"
 	"strconv"
-
-	"golang.org/x/sys/windows"
 )

 // Variant specifies which GUID variant (or "type") of the GUID. It determines
@ -41,13 +39,6 @@ type Version uint8
 var _ = (encoding.TextMarshaler)(GUID{})
 var _ = (encoding.TextUnmarshaler)(&GUID{})

-// GUID represents a GUID/UUID. It has the same structure as
-// golang.org/x/sys/windows.GUID so that it can be used with functions expecting
-// that type. It is defined as its own type so that stringification and
-// marshaling can be supported. The representation matches that used by native
-// Windows code.
-type GUID windows.GUID
-
 // NewV4 returns a new version 4 (pseudorandom) GUID, as defined by RFC 4122.
 func NewV4() (GUID, error) {
 	var b [16]byte
--- a/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_nonwindows.go
+++ b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_nonwindows.go
@ -0,0 +1,15 @@
+// +build !windows
+
+package guid
+
+// GUID represents a GUID/UUID. It has the same structure as
+// golang.org/x/sys/windows.GUID so that it can be used with functions expecting
+// that type. It is defined as its own type as that is only available to builds
+// targeted at `windows`. The representation matches that used by native Windows
+// code.
+type GUID struct {
+	Data1 uint32
+	Data2 uint16
+	Data3 uint16
+	Data4 [8]byte
+}
--- a/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_windows.go
+++ b/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_windows.go
@ -0,0 +1,10 @@
+package guid
+
+import "golang.org/x/sys/windows"
+
+// GUID represents a GUID/UUID. It has the same structure as
+// golang.org/x/sys/windows.GUID so that it can be used with functions expecting
+// that type. It is defined as its own type so that stringification and
+// marshaling can be supported. The representation matches that used by native
+// Windows code.
+type GUID windows.GUID
--- a/vendor/github.com/containerd/containerd/version/version.go
+++ b/vendor/github.com/containerd/containerd/version/version.go
@ -23,7 +23,7 @@ var (
 	Package = "github.com/containerd/containerd"

 	// Version holds the complete version number. Filled in at linking time.
-	Version = "1.6.2+unknown"
+	Version = "1.6.4+unknown"

 	// Revision is filled with the VCS (e.g. git) revision being used to build
 	// the program at linking time.
--- a/vendor/github.com/containerd/continuity/AUTHORS
+++ b/vendor/github.com/containerd/continuity/AUTHORS
@ -1,8 +1,6 @@
-Aaron Lehmann <aaron.lehmann@docker.com>
+Aaron Lehmann <alehmann@netflix.com>
 Akash Gupta <akagup@microsoft.com>
 Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
-Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
-Akihiro Suda <suda.kyoto@gmail.com>
 Andrew Pennebaker <apennebaker@datapipe.com>
 Brandon Philips <brandon.philips@coreos.com>
 Brian Goff <cpuguy83@gmail.com>
@ -10,9 +8,9 @@ Christopher Jones <tophj@linux.vnet.ibm.com>
 Daniel, Dao Quang Minh <dqminh89@gmail.com>
 Darren Stahl <darst@microsoft.com>
 Derek McGowan <derek@mcg.dev>
-Derek McGowan <derek@mcgstyle.net>
 Edward Pilatowicz <edward.pilatowicz@oracle.com>
 Fu Wei <fuweid89@gmail.com>
+Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
 Hajime Tazaki <thehajime@gmail.com>
 Ian Campbell <ijc@docker.com>
 Ivan Markin <sw@nogoegst.net>
@ -20,20 +18,18 @@ Jacob Blain Christen <jacob@rancher.com>
 Justin Cormack <justin.cormack@docker.com>
 Justin Cummins <sul3n3t@gmail.com>
 Kasper Fabæch Brandt <poizan@poizan.dk>
+Kazuyoshi Kato <katokazu@amazon.com>
 Kir Kolyshkin <kolyshkin@gmail.com>
 Michael Crosby <crosbymichael@gmail.com>
-Michael Crosby <michael@thepasture.io>
 Michael Wan <zirenwan@gmail.com>
 Mike Brown <brownwm@us.ibm.com>
 Niels de Vos <ndevos@redhat.com>
-Phil Estes <estesp@amazon.com>
 Phil Estes <estesp@gmail.com>
-Phil Estes <estesp@linux.vnet.ibm.com>
 Sam Whited <sam@samwhited.com>
 Samuel Karp <me@samuelkarp.com>
 Sebastiaan van Stijn <github@gone.nl>
 Shengjing Zhu <zhsj@debian.org>
-Stephen J Day <stephen.day@docker.com>
+Stephen J Day <stevvooe@gmail.com>
 Tibor Vass <tibor@docker.com>
 Tobias Klauser <tklauser@distanz.ch>
 Tom Faulhaber <tffaulha@amazon.com>
--- a/vendor/github.com/containerd/continuity/sysx/generate.sh
+++ b/vendor/github.com/containerd/continuity/sysx/generate.sh
@ -1,52 +0,0 @@
-#!/bin/bash
-
-#   Copyright The containerd Authors.
-
-#   Licensed under the Apache License, Version 2.0 (the "License");
-#   you may not use this file except in compliance with the License.
-#   You may obtain a copy of the License at
-
-#       http://www.apache.org/licenses/LICENSE-2.0
-
-#   Unless required by applicable law or agreed to in writing, software
-#   distributed under the License is distributed on an "AS IS" BASIS,
-#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#   See the License for the specific language governing permissions and
-#   limitations under the License.
-
-
-set -e
-
-mksyscall="$(go env GOROOT)/src/syscall/mksyscall.pl"
-
-fix() {
-	sed 's,^package syscall$,package sysx,' \
-		| sed 's,^import "unsafe"$,import (\n\t"syscall"\n\t"unsafe"\n),' \
-		| gofmt -r='BytePtrFromString -> syscall.BytePtrFromString' \
-		| gofmt -r='Syscall6 -> syscall.Syscall6' \
-		| gofmt -r='Syscall -> syscall.Syscall' \
-		| gofmt -r='SYS_GETXATTR -> syscall.SYS_GETXATTR' \
-		| gofmt -r='SYS_LISTXATTR -> syscall.SYS_LISTXATTR' \
-		| gofmt -r='SYS_SETXATTR -> syscall.SYS_SETXATTR' \
-		| gofmt -r='SYS_REMOVEXATTR -> syscall.SYS_REMOVEXATTR' \
-		| gofmt -r='SYS_LGETXATTR -> syscall.SYS_LGETXATTR' \
-		| gofmt -r='SYS_LLISTXATTR -> syscall.SYS_LLISTXATTR' \
-		| gofmt -r='SYS_LSETXATTR -> syscall.SYS_LSETXATTR' \
-		| gofmt -r='SYS_LREMOVEXATTR -> syscall.SYS_LREMOVEXATTR'
-}
-
-if [ "$GOARCH" == "" ] || [ "$GOOS" == "" ]; then
-	echo "Must specify \$GOARCH and \$GOOS"
-	exit 1
-fi
-
-mkargs=""
-
-if [ "$GOARCH" == "386" ] || [ "$GOARCH" == "arm" ]; then
-	mkargs="-l32"
-fi
-
-for f in "$@"; do
-	$mksyscall $mkargs "${f}_${GOOS}.go" | fix > "${f}_${GOOS}_${GOARCH}.go"
-done
-
--- a/vendor/github.com/moby/buildkit/client/connhelper/dockercontainer/dockercontainer.go
+++ b/vendor/github.com/moby/buildkit/client/connhelper/dockercontainer/dockercontainer.go
@ -0,0 +1,56 @@
+// Package dockercontainer provides connhelper for docker-container://<container>
+package dockercontainer
+
+import (
+	"context"
+	"net"
+	"net/url"
+
+	"github.com/docker/cli/cli/connhelper/commandconn"
+	"github.com/moby/buildkit/client/connhelper"
+	"github.com/pkg/errors"
+)
+
+func init() {
+	connhelper.Register("docker-container", Helper)
+}
+
+// Helper returns helper for connecting to a Docker container.
+// Requires BuildKit v0.5.0 or later in the container.
+func Helper(u *url.URL) (*connhelper.ConnectionHelper, error) {
+	sp, err := SpecFromURL(u)
+	if err != nil {
+		return nil, err
+	}
+	return &connhelper.ConnectionHelper{
+		ContextDialer: func(ctx context.Context, addr string) (net.Conn, error) {
+			ctxFlags := []string{}
+			if sp.Context != "" {
+				ctxFlags = append(ctxFlags, "--context="+sp.Context)
+			}
+			// using background context because context remains active for the duration of the process, after dial has completed
+			return commandconn.New(context.Background(), "docker", append(ctxFlags, []string{"exec", "-i", sp.Container, "buildctl", "dial-stdio"}...)...)
+		},
+	}, nil
+}
+
+// Spec
+type Spec struct {
+	Context   string
+	Container string
+}
+
+// SpecFromURL creates Spec from URL.
+// URL is like docker-container://<container>?context=<context>
+// Only <container> part is mandatory.
+func SpecFromURL(u *url.URL) (*Spec, error) {
+	q := u.Query()
+	sp := Spec{
+		Context:   q.Get("context"),
+		Container: u.Hostname(),
+	}
+	if sp.Container == "" {
+		return nil, errors.New("url lacks container name")
+	}
+	return &sp, nil
+}
--- a/vendor/github.com/moby/buildkit/client/connhelper/kubepod/kubepod.go
+++ b/vendor/github.com/moby/buildkit/client/connhelper/kubepod/kubepod.go
@ -0,0 +1,78 @@
+// Package kubepod provides connhelper for kube-pod://<pod>
+package kubepod
+
+import (
+	"context"
+	"net"
+	"net/url"
+	"regexp"
+
+	"github.com/docker/cli/cli/connhelper/commandconn"
+	"github.com/moby/buildkit/client/connhelper"
+	"github.com/pkg/errors"
+)
+
+func init() {
+	connhelper.Register("kube-pod", Helper)
+}
+
+// Helper returns helper for connecting to a Kubernetes pod.
+// Requires BuildKit v0.5.0 or later in the pod.
+func Helper(u *url.URL) (*connhelper.ConnectionHelper, error) {
+	sp, err := SpecFromURL(u)
+	if err != nil {
+		return nil, err
+	}
+	return &connhelper.ConnectionHelper{
+		ContextDialer: func(ctx context.Context, addr string) (net.Conn, error) {
+			// using background context because context remains active for the duration of the process, after dial has completed
+			return commandconn.New(context.Background(), "kubectl", "--context="+sp.Context, "--namespace="+sp.Namespace,
+				"exec", "--container="+sp.Container, "-i", sp.Pod, "--", "buildctl", "dial-stdio")
+		},
+	}, nil
+}
+
+// Spec
+type Spec struct {
+	Context   string
+	Namespace string
+	Pod       string
+	Container string
+}
+
+// SpecFromURL creates Spec from URL.
+// URL is like kube-pod://<pod>?context=<context>&namespace=<namespace>&container=<container> .
+// Only <pod> part is mandatory.
+func SpecFromURL(u *url.URL) (*Spec, error) {
+	q := u.Query()
+	sp := Spec{
+		Context:   q.Get("context"),
+		Namespace: q.Get("namespace"),
+		Pod:       u.Hostname(),
+		Container: q.Get("container"),
+	}
+	if sp.Context != "" && !validKubeIdentifier(sp.Context) {
+		return nil, errors.Errorf("unsupported context name: %q", sp.Context)
+	}
+	if sp.Namespace != "" && !validKubeIdentifier(sp.Namespace) {
+		return nil, errors.Errorf("unsupported namespace name: %q", sp.Namespace)
+	}
+	if sp.Pod == "" {
+		return nil, errors.New("url lacks pod name")
+	}
+	if !validKubeIdentifier(sp.Pod) {
+		return nil, errors.Errorf("unsupported pod name: %q", sp.Pod)
+	}
+	if sp.Container != "" && !validKubeIdentifier(sp.Container) {
+		return nil, errors.Errorf("unsupported container name: %q", sp.Container)
+	}
+	return &sp, nil
+}
+
+var kubeIdentifierRegexp = regexp.MustCompile(`^[-a-z0-9.]+$`)
+
+// validKubeIdentifier: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
+// The length is not checked because future version of Kube may support longer identifiers.
+func validKubeIdentifier(s string) bool {
+	return kubeIdentifierRegexp.MatchString(s)
+}
--- a/vendor/github.com/moby/buildkit/client/connhelper/ssh/ssh.go
+++ b/vendor/github.com/moby/buildkit/client/connhelper/ssh/ssh.go
@ -0,0 +1,78 @@
+// Package ssh provides connhelper for ssh://<SSH URL>
+package ssh
+
+import (
+	"context"
+	"net"
+	"net/url"
+
+	"github.com/docker/cli/cli/connhelper/commandconn"
+	"github.com/moby/buildkit/client/connhelper"
+	"github.com/pkg/errors"
+)
+
+func init() {
+	connhelper.Register("ssh", Helper)
+}
+
+// Helper returns helper for connecting through an SSH URL.
+func Helper(u *url.URL) (*connhelper.ConnectionHelper, error) {
+	sp, err := SpecFromURL(u)
+	if err != nil {
+		return nil, err
+	}
+	return &connhelper.ConnectionHelper{
+		ContextDialer: func(ctx context.Context, addr string) (net.Conn, error) {
+			args := []string{}
+			if sp.User != "" {
+				args = append(args, "-l", sp.User)
+			}
+			if sp.Port != "" {
+				args = append(args, "-p", sp.Port)
+			}
+			args = append(args, "--", sp.Host)
+			args = append(args, "buildctl")
+			if socket := sp.Socket; socket != "" {
+				args = append(args, "--addr", "unix://"+socket)
+			}
+			args = append(args, "dial-stdio")
+			// using background context because context remains active for the duration of the process, after dial has completed
+			return commandconn.New(context.Background(), "ssh", args...)
+		},
+	}, nil
+}
+
+// Spec
+type Spec struct {
+	User   string
+	Host   string
+	Port   string
+	Socket string
+}
+
+// SpecFromURL creates Spec from URL.
+// URL is like ssh://<user>@host:<port>
+// Only <host> part is mandatory.
+func SpecFromURL(u *url.URL) (*Spec, error) {
+	sp := Spec{
+		Host:   u.Hostname(),
+		Port:   u.Port(),
+		Socket: u.Path,
+	}
+	if user := u.User; user != nil {
+		sp.User = user.Username()
+		if _, ok := user.Password(); ok {
+			return nil, errors.New("plain-text password is not supported")
+		}
+	}
+	if sp.Host == "" {
+		return nil, errors.Errorf("no host specified")
+	}
+	if u.RawQuery != "" {
+		return nil, errors.Errorf("extra query after the host: %q", u.RawQuery)
+	}
+	if u.Fragment != "" {
+		return nil, errors.Errorf("extra fragment after the host: %q", u.Fragment)
+	}
+	return &sp, nil
+}
--- a/vendor/github.com/moby/buildkit/client/llb/marshal.go
+++ b/vendor/github.com/moby/buildkit/client/llb/marshal.go
@ -87,10 +87,7 @@ func MarshalConstraints(base, override *Constraints) (*pb.Op, *pb.OpMetadata) {
 		c.Platform = p
 	}

-	for _, wc := range override.WorkerConstraints {
-		c.WorkerConstraints = append(c.WorkerConstraints, wc)
-	}
-
+	c.WorkerConstraints = append(c.WorkerConstraints, override.WorkerConstraints...)
 	c.Metadata = mergeMetadata(c.Metadata, override.Metadata)

 	if c.Platform == nil {
--- a/vendor/github.com/moby/buildkit/client/llb/resolver.go
+++ b/vendor/github.com/moby/buildkit/client/llb/resolver.go
@ -23,6 +23,12 @@ func ResolveDigest(v bool) ImageOption {
 	})
 }

+func WithLayerLimit(l int) ImageOption {
+	return imageOptionFunc(func(ii *ImageInfo) {
+		ii.layerLimit = &l
+	})
+}
+
 // ImageMetaResolver can resolve image config metadata from a reference
 type ImageMetaResolver interface {
 	ResolveImageConfig(ctx context.Context, ref string, opt ResolveImageConfigOpt) (digest.Digest, []byte, error)
--- a/vendor/github.com/moby/buildkit/client/llb/source.go
+++ b/vendor/github.com/moby/buildkit/client/llb/source.go
@ -116,6 +116,11 @@ func Image(ref string, opts ...ImageOption) State {
 		attrs[pb.AttrImageRecordType] = info.RecordType
 	}

+	if ll := info.layerLimit; ll != nil {
+		attrs[pb.AttrImageLayerLimit] = strconv.FormatInt(int64(*ll), 10)
+		addCap(&info.Constraints, pb.CapSourceImageLayerLimit)
+	}
+
 	src := NewSource("docker-image://"+ref, attrs, info.Constraints) // controversial
 	if err != nil {
 		src.err = err
@ -204,6 +209,7 @@ type ImageInfo struct {
 	metaResolver  ImageMetaResolver
 	resolveDigest bool
 	resolveMode   ResolveMode
+	layerLimit    *int
 	RecordType    string
 }

--- a/vendor/github.com/moby/buildkit/client/llb/state.go
+++ b/vendor/github.com/moby/buildkit/client/llb/state.go
@ -619,9 +619,7 @@ var (

 func Require(filters ...string) ConstraintsOpt {
 	return constraintsOptFunc(func(c *Constraints) {
-		for _, f := range filters {
-			c.WorkerConstraints = append(c.WorkerConstraints, f)
-		}
+		c.WorkerConstraints = append(c.WorkerConstraints, filters...)
 	})
 }

--- a/vendor/github.com/moby/buildkit/client/solve.go
+++ b/vendor/github.com/moby/buildkit/client/solve.go
@ -24,6 +24,7 @@ import (
 	"github.com/moby/buildkit/util/entitlements"
 	ocispecs "github.com/opencontainers/image-spec/specs-go/v1"
 	"github.com/pkg/errors"
+	"github.com/tonistiigi/fsutil"
 	fstypes "github.com/tonistiigi/fsutil/types"
 	"go.opentelemetry.io/otel/trace"
 	"golang.org/x/sync/errgroup"
@ -342,10 +343,10 @@ func prepareSyncedDirs(def *llb.Definition, localDirs map[string]string) ([]file
 			return nil, errors.Errorf("%s not a directory", d)
 		}
 	}
-	resetUIDAndGID := func(p string, st *fstypes.Stat) bool {
+	resetUIDAndGID := func(p string, st *fstypes.Stat) fsutil.MapResult {
 		st.Uid = 0
 		st.Gid = 0
-		return true
+		return fsutil.MapResultKeep
 	}

 	dirs := make([]filesync.SyncedDir, 0, len(localDirs))
--- a/vendor/github.com/moby/buildkit/session/filesync/filesync.go
+++ b/vendor/github.com/moby/buildkit/session/filesync/filesync.go
@ -36,7 +36,7 @@ type SyncedDir struct {
 	Name     string
 	Dir      string
 	Excludes []string
-	Map      func(string, *fstypes.Stat) bool
+	Map      func(string, *fstypes.Stat) fsutil.MapResult
 }

 // NewFSSyncProvider creates a new provider for sending files from client
--- a/vendor/github.com/moby/buildkit/session/manager.go
+++ b/vendor/github.com/moby/buildkit/session/manager.go
@ -160,12 +160,10 @@ func (sm *Manager) Get(ctx context.Context, id string, noWait bool) (Caller, err
 	defer cancel()

 	go func() {
-		select {
-		case <-ctx.Done():
-			sm.mu.Lock()
-			sm.updateCondition.Broadcast()
-			sm.mu.Unlock()
-		}
+		<-ctx.Done()
+		sm.mu.Lock()
+		sm.updateCondition.Broadcast()
+		sm.mu.Unlock()
 	}()

 	var c *client
--- a/vendor/github.com/moby/buildkit/solver/pb/attr.go
+++ b/vendor/github.com/moby/buildkit/solver/pb/attr.go
@ -26,6 +26,7 @@ const AttrImageResolveModeDefault = "default"
 const AttrImageResolveModeForcePull = "pull"
 const AttrImageResolveModePreferLocal = "local"
 const AttrImageRecordType = "image.recordtype"
+const AttrImageLayerLimit = "image.layerlimit"

 const AttrLocalDiffer = "local.differ"
 const AttrLocalDifferNone = "none"
--- a/vendor/github.com/moby/buildkit/solver/pb/caps.go
+++ b/vendor/github.com/moby/buildkit/solver/pb/caps.go
@ -9,8 +9,10 @@ var Caps apicaps.CapList
 // considered immutable. After a capability is marked stable it should not be disabled.

 const (
-	CapSourceImage                apicaps.CapID = "source.image"
-	CapSourceImageResolveMode     apicaps.CapID = "source.image.resolvemode"
+	CapSourceImage            apicaps.CapID = "source.image"
+	CapSourceImageResolveMode apicaps.CapID = "source.image.resolvemode"
+	CapSourceImageLayerLimit  apicaps.CapID = "source.image.layerlimit"
+
 	CapSourceLocal                apicaps.CapID = "source.local"
 	CapSourceLocalUnique          apicaps.CapID = "source.local.unique"
 	CapSourceLocalSessionID       apicaps.CapID = "source.local.sessionid"
@ -86,6 +88,12 @@ func init() {
 		Status:  apicaps.CapStatusExperimental,
 	})

+	Caps.Init(apicaps.Cap{
+		ID:      CapSourceImageLayerLimit,
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
 	Caps.Init(apicaps.Cap{
 		ID:      CapSourceLocal,
 		Enabled: true,
--- a/vendor/github.com/moby/buildkit/util/progress/multiwriter.go
+++ b/vendor/github.com/moby/buildkit/util/progress/multiwriter.go
@ -36,9 +36,7 @@ func (ps *MultiWriter) Add(pw Writer) {
 	}
 	ps.mu.Lock()
 	plist := make([]*Progress, 0, len(ps.items))
-	for _, p := range ps.items {
-		plist = append(plist, p)
-	}
+	plist = append(plist, ps.items...)
 	sort.Slice(plist, func(i, j int) bool {
 		return plist[i].Timestamp.Before(plist[j].Timestamp)
 	})
--- a/vendor/github.com/tonistiigi/fsutil/Dockerfile
+++ b/vendor/github.com/tonistiigi/fsutil/Dockerfile
@ -1,29 +1,30 @@
-#syntax=docker/dockerfile:1.2
-ARG GO_VERSION=1.16
+#syntax=docker/dockerfile:1.4
+ARG GO_VERSION=1.18

-FROM --platform=amd64 tonistiigi/xx:golang AS goxx
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.1.0 AS xx

 FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine AS base
-RUN apk add --no-cache gcc musl-dev
-COPY --from=goxx / /
+RUN apk add --no-cache git
+COPY --from=xx / /
 WORKDIR /src

 FROM base AS build
 ARG TARGETPLATFORM
-RUN --mount=target=. \
+RUN --mount=target=. --mount=target=/go/pkg/mod,type=cache \
    --mount=target=/root/.cache,type=cache \
-    go build ./...
+    xx-go build ./...

 FROM base AS test
-RUN --mount=target=. \
+ARG TESTFLAGS
+RUN --mount=target=. --mount=target=/go/pkg/mod,type=cache \
    --mount=target=/root/.cache,type=cache \
-    go test -test.v ./...
+    CGO_ENABLED=0 xx-go test -test.v ${TESTFLAGS} ./...

 FROM base AS test-noroot
 RUN mkdir /go/pkg && chmod 0777 /go/pkg
 USER 1000:1000
 RUN --mount=target=. \
    --mount=target=/tmp/.cache,type=cache \
-    GOCACHE=/tmp/gocache go test -test.v ./...
+    CGO_ENABLED=0 GOCACHE=/tmp/gocache xx-go test -test.v ./...

 FROM build
--- a/vendor/github.com/tonistiigi/fsutil/chtimes_linux.go
+++ b/vendor/github.com/tonistiigi/fsutil/chtimes_linux.go
@ -1,3 +1,4 @@
+//go:build linux
 // +build linux

 package fsutil
--- a/vendor/github.com/tonistiigi/fsutil/diskwriter.go
+++ b/vendor/github.com/tonistiigi/fsutil/diskwriter.go
@ -323,10 +323,6 @@ func (lfw *lazyFileWriter) Close() error {
 	return err
 }

-func mkdev(major int64, minor int64) uint32 {
-	return uint32(((minor & 0xfff00) << 12) | ((major & 0xfff) << 8) | (minor & 0xff))
-}
-
 // Random number state.
 // We generate random temporary file names so that there's a good
 // chance the file doesn't exist yet - keeps the number of tries in
--- a/vendor/github.com/tonistiigi/fsutil/diskwriter_freebsd.go
+++ b/vendor/github.com/tonistiigi/fsutil/diskwriter_freebsd.go
@ -1,3 +1,4 @@
+//go:build freebsd
 // +build freebsd

 package fsutil
@ -8,7 +9,9 @@ import (
 )

 func createSpecialFile(path string, mode uint32, stat *types.Stat) error {
-	dev := unix.Mkdev(uint32(stat.Devmajor), uint32(stat.Devminor))
-
-	return unix.Mknod(path, mode, dev)
+	return unix.Mknod(path, mode, mkdev(stat.Devmajor, stat.Devminor))
+}
+
+func mkdev(major int64, minor int64) uint64 {
+	return unix.Mkdev(uint32(major), uint32(minor))
 }
--- a/vendor/github.com/tonistiigi/fsutil/diskwriter_unix.go
+++ b/vendor/github.com/tonistiigi/fsutil/diskwriter_unix.go
@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows

 package fsutil
--- a/vendor/github.com/tonistiigi/fsutil/diskwriter_unixnobsd.go
+++ b/vendor/github.com/tonistiigi/fsutil/diskwriter_unixnobsd.go
@ -1,13 +1,17 @@
+//go:build !windows && !freebsd
 // +build !windows,!freebsd

 package fsutil

 import (
-	"syscall"
-
 	"github.com/tonistiigi/fsutil/types"
+	"golang.org/x/sys/unix"
 )

 func createSpecialFile(path string, mode uint32, stat *types.Stat) error {
-	return syscall.Mknod(path, mode, int(mkdev(stat.Devmajor, stat.Devminor)))
+	return unix.Mknod(path, mode, mkdev(stat.Devmajor, stat.Devminor))
+}
+
+func mkdev(major int64, minor int64) int {
+	return int(unix.Mkdev(uint32(major), uint32(minor)))
 }
--- a/vendor/github.com/tonistiigi/fsutil/docker-bake.hcl
+++ b/vendor/github.com/tonistiigi/fsutil/docker-bake.hcl
@ -1,5 +1,5 @@
 variable "GO_VERSION" {
-  default = "1.16"
+  default = "1.18"
 }

 group "default" {
@ -63,5 +63,5 @@ target "shfmt" {

 target "cross" {
  inherits = ["build"]
-  platforms = ["linux/amd64", "linux/386", "linux/arm64", "linux/arm", "linux/ppc64le", "linux/s390x", "darwin/amd64", "darwin/arm64", "windows/amd64", "freebsd/amd64", "freebsd/arm64"]
+  platforms = ["linux/amd64", "linux/386", "linux/arm64", "linux/arm", "linux/ppc64le", "linux/s390x", "darwin/amd64", "darwin/arm64", "windows/amd64", "windows/arm64", "freebsd/amd64", "freebsd/arm64"]
 }
--- a/vendor/github.com/tonistiigi/fsutil/stat_unix.go
+++ b/vendor/github.com/tonistiigi/fsutil/stat_unix.go
@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows

 package fsutil
--- a/vendor/github.com/tonistiigi/fsutil/walker.go
+++ b/vendor/github.com/tonistiigi/fsutil/walker.go
@ -19,9 +19,29 @@ type WalkOpt struct {
 	// FollowPaths contains symlinks that are resolved into include patterns
 	// before performing the fs walk
 	FollowPaths []string
-	Map         FilterFunc
+	Map         MapFunc
 }

+type MapFunc func(string, *types.Stat) MapResult
+
+// The result of the walk function controls
+// both how WalkDir continues and whether the path is kept.
+type MapResult int
+
+const (
+	// Keep the current path and continue.
+	MapResultKeep MapResult = iota
+
+	// Exclude the current path and continue.
+	MapResultExclude
+
+	// Exclude the current path, and skip the rest of the dir.
+	// If path is a dir, skip the current directory.
+	// If path is a file, skip the rest of the parent directory.
+	// (This matches the semantics of fs.SkipDir.)
+	MapResultSkipDir
+)
+
 func Walk(ctx context.Context, p string, opt *WalkOpt, fn filepath.WalkFunc) error {
 	root, err := filepath.EvalSymlinks(p)
 	if err != nil {
@ -258,7 +278,10 @@ func Walk(ctx context.Context, p string, opt *WalkOpt, fn filepath.WalkFunc) err
 			return ctx.Err()
 		default:
 			if opt != nil && opt.Map != nil {
-				if allowed := opt.Map(stat.Path, stat); !allowed {
+				result := opt.Map(stat.Path, stat)
+				if result == MapResultSkipDir {
+					return filepath.SkipDir
+				} else if result == MapResultExclude {
 					return nil
 				}
 			}
@ -277,7 +300,8 @@ func Walk(ctx context.Context, p string, opt *WalkOpt, fn filepath.WalkFunc) err
 				default:
 				}
 				if opt != nil && opt.Map != nil {
-					if allowed := opt.Map(parentStat.Path, parentStat); !allowed {
+					result := opt.Map(parentStat.Path, parentStat)
+					if result == MapResultSkipDir || result == MapResultExclude {
 						continue
 					}
 				}
--- a/vendor/golang.org/x/sys/cpu/syscall_aix_gccgo.go
+++ b/vendor/golang.org/x/sys/cpu/syscall_aix_gccgo.go
@ -5,7 +5,7 @@
 // Recreate a getsystemcfg syscall handler instead of
 // using the one provided by x/sys/unix to avoid having
 // the dependency between them. (See golang.org/issue/32102)
-// Morever, this file will be used during the building of
+// Moreover, this file will be used during the building of
 // gccgo's libgo and thus must not used a CGo method.

 //go:build aix && gccgo
--- a/vendor/golang.org/x/sys/unix/ioctl_linux.go
+++ b/vendor/golang.org/x/sys/unix/ioctl_linux.go
@ -194,3 +194,26 @@ func ioctlIfreqData(fd int, req uint, value *ifreqData) error {
 	// identical so pass *IfreqData directly.
 	return ioctlPtr(fd, req, unsafe.Pointer(value))
 }
+
+// IoctlKCMClone attaches a new file descriptor to a multiplexor by cloning an
+// existing KCM socket, returning a structure containing the file descriptor of
+// the new socket.
+func IoctlKCMClone(fd int) (*KCMClone, error) {
+	var info KCMClone
+	if err := ioctlPtr(fd, SIOCKCMCLONE, unsafe.Pointer(&info)); err != nil {
+		return nil, err
+	}
+
+	return &info, nil
+}
+
+// IoctlKCMAttach attaches a TCP socket and associated BPF program file
+// descriptor to a multiplexor.
+func IoctlKCMAttach(fd int, info KCMAttach) error {
+	return ioctlPtr(fd, SIOCKCMATTACH, unsafe.Pointer(&info))
+}
+
+// IoctlKCMUnattach unattaches a TCP socket file descriptor from a multiplexor.
+func IoctlKCMUnattach(fd int, info KCMUnattach) error {
+	return ioctlPtr(fd, SIOCKCMUNATTACH, unsafe.Pointer(&info))
+}
--- a/vendor/golang.org/x/sys/unix/mkerrors.sh
+++ b/vendor/golang.org/x/sys/unix/mkerrors.sh
@ -205,6 +205,7 @@ struct ltchars {
 #include <linux/bpf.h>
 #include <linux/can.h>
 #include <linux/can/error.h>
+#include <linux/can/netlink.h>
 #include <linux/can/raw.h>
 #include <linux/capability.h>
 #include <linux/cryptouser.h>
@ -231,6 +232,7 @@ struct ltchars {
 #include <linux/if_packet.h>
 #include <linux/if_xdp.h>
 #include <linux/input.h>
+#include <linux/kcm.h>
 #include <linux/kexec.h>
 #include <linux/keyctl.h>
 #include <linux/landlock.h>
@ -503,6 +505,7 @@ ccflags="$@"
 		$2 ~ /^O?XTABS$/ ||
 		$2 ~ /^TC[IO](ON|OFF)$/ ||
 		$2 ~ /^IN_/ ||
+		$2 ~ /^KCM/ ||
 		$2 ~ /^LANDLOCK_/ ||
 		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
 		$2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
@ -597,8 +600,10 @@ ccflags="$@"
 		$2 ~ /^DEVLINK_/ ||
 		$2 ~ /^ETHTOOL_/ ||
 		$2 ~ /^LWTUNNEL_IP/ ||
+		$2 ~ /^ITIMER_/ ||
 		$2 !~ "WMESGLEN" &&
 		$2 ~ /^W[A-Z0-9]+$/ ||
+		$2 ~ /^P_/ ||
 		$2 ~/^PPPIOC/ ||
 		$2 ~ /^FAN_|FANOTIFY_/ ||
 		$2 == "HID_MAX_DESCRIPTOR_SIZE" ||
--- a/vendor/golang.org/x/sys/unix/syscall_aix.go
+++ b/vendor/golang.org/x/sys/unix/syscall_aix.go
@ -215,18 +215,12 @@ func Accept(fd int) (nfd int, sa Sockaddr, err error) {
 	return
 }

-func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
+func recvmsgRaw(fd int, p, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) {
 	// Recvmsg not implemented on AIX
-	sa := new(SockaddrUnix)
-	return -1, -1, -1, sa, ENOSYS
+	return -1, -1, -1, ENOSYS
 }

-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
-	_, err = SendmsgN(fd, p, oob, to, flags)
-	return
-}
-
-func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
+func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
 	// SendmsgN not implemented on AIX
 	return -1, ENOSYS
 }
@ -458,8 +452,8 @@ func Fsync(fd int) error {
 //sys	Listen(s int, n int) (err error)
 //sys	lstat(path string, stat *Stat_t) (err error)
 //sys	Pause() (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = pread64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = pwrite64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = pread64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = pwrite64
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //sys	Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_bsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_bsd.go
@ -325,10 +325,9 @@ func GetsockoptString(fd, level, opt int) (string, error) {
 //sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)

-func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
+func recvmsgRaw(fd int, p, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) {
 	var msg Msghdr
-	var rsa RawSockaddrAny
-	msg.Name = (*byte)(unsafe.Pointer(&rsa))
+	msg.Name = (*byte)(unsafe.Pointer(rsa))
 	msg.Namelen = uint32(SizeofSockaddrAny)
 	var iov Iovec
 	if len(p) > 0 {
@ -352,29 +351,12 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
 	}
 	oobn = int(msg.Controllen)
 	recvflags = int(msg.Flags)
-	// source address is only specified if the socket is unconnected
-	if rsa.Addr.Family != AF_UNSPEC {
-		from, err = anyToSockaddr(fd, &rsa)
-	}
 	return
 }

 //sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)

-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
-	_, err = SendmsgN(fd, p, oob, to, flags)
-	return
-}
-
-func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
-	var ptr unsafe.Pointer
-	var salen _Socklen
-	if to != nil {
-		ptr, salen, err = to.sockaddr()
-		if err != nil {
-			return 0, err
-		}
-	}
+func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
 	var msg Msghdr
 	msg.Name = (*byte)(unsafe.Pointer(ptr))
 	msg.Namelen = uint32(salen)
@ -571,12 +553,7 @@ func UtimesNano(path string, ts []Timespec) error {
 	if len(ts) != 2 {
 		return EINVAL
 	}
-	// Darwin setattrlist can set nanosecond timestamps
-	err := setattrlistTimes(path, ts, 0)
-	if err != ENOSYS {
-		return err
-	}
-	err = utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
+	err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
 	if err != ENOSYS {
 		return err
 	}
@ -596,10 +573,6 @@ func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
 	if len(ts) != 2 {
 		return EINVAL
 	}
-	err := setattrlistTimes(path, ts, flags)
-	if err != ENOSYS {
-		return err
-	}
 	return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags)
 }

--- a/vendor/golang.org/x/sys/unix/syscall_darwin.go
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin.go
@ -141,16 +141,6 @@ func direntNamlen(buf []byte) (uint64, bool) {
 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) }

-type attrList struct {
-	bitmapCount uint16
-	_           uint16
-	CommonAttr  uint32
-	VolAttr     uint32
-	DirAttr     uint32
-	FileAttr    uint32
-	Forkattr    uint32
-}
-
 //sysnb	pipe(p *[2]int32) (err error)

 func Pipe(p []int) (err error) {
@ -282,36 +272,7 @@ func Flistxattr(fd int, dest []byte) (sz int, err error) {
 	return flistxattr(fd, xattrPointer(dest), len(dest), 0)
 }

-func setattrlistTimes(path string, times []Timespec, flags int) error {
-	_p0, err := BytePtrFromString(path)
-	if err != nil {
-		return err
-	}
-
-	var attrList attrList
-	attrList.bitmapCount = ATTR_BIT_MAP_COUNT
-	attrList.CommonAttr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME
-
-	// order is mtime, atime: the opposite of Chtimes
-	attributes := [2]Timespec{times[1], times[0]}
-	options := 0
-	if flags&AT_SYMLINK_NOFOLLOW != 0 {
-		options |= FSOPT_NOFOLLOW
-	}
-	return setattrlist(
-		_p0,
-		unsafe.Pointer(&attrList),
-		unsafe.Pointer(&attributes),
-		unsafe.Sizeof(attributes),
-		options)
-}
-
-//sys	setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
-
-func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error {
-	// Darwin doesn't support SYS_UTIMENSAT
-	return ENOSYS
-}
+//sys	utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)

 /*
 * Wrapped
@ -546,8 +507,8 @@ func SysctlKinfoProcSlice(name string, args ...int) ([]KinfoProc, error) {
 //sys	Open(path string, mode int, perm uint32) (fd int, err error)
 //sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
 //sys	Pathconf(path string, name int) (val int, err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
+//sys	pread(fd int, p []byte, offset int64) (n int, err error)
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
 //sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
--- a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
+++ b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
@ -125,12 +125,12 @@ func Pipe2(p []int, flags int) (err error) {
 }

 //sys	extpread(fd int, p []byte, flags int, offset int64) (n int, err error)
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
+func pread(fd int, p []byte, offset int64) (n int, err error) {
 	return extpread(fd, p, 0, offset)
 }

 //sys	extpwrite(fd int, p []byte, flags int, offset int64) (n int, err error)
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
+func pwrite(fd int, p []byte, offset int64) (n int, err error) {
 	return extpwrite(fd, p, 0, offset)
 }

@ -169,11 +169,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }

-func setattrlistTimes(path string, times []Timespec, flags int) error {
-	// used on Darwin for UtimesNano
-	return ENOSYS
-}
-
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)

 //sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
--- a/vendor/golang.org/x/sys/unix/syscall_freebsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_freebsd.go
@ -194,11 +194,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }

-func setattrlistTimes(path string, times []Timespec, flags int) error {
-	// used on Darwin for UtimesNano
-	return ENOSYS
-}
-
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)

 //sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
@ -638,8 +633,8 @@ func PtraceSingleStep(pid int) (err error) {
 //sys	Open(path string, mode int, perm uint32) (fd int, err error)
 //sys	Openat(fdat int, path string, mode int, perm uint32) (fd int, err error)
 //sys	Pathconf(path string, name int) (val int, err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
+//sys	pread(fd int, p []byte, offset int64) (n int, err error)
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
 //sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux.go
@ -14,6 +14,7 @@ package unix
 import (
 	"encoding/binary"
 	"syscall"
+	"time"
 	"unsafe"
 )

@ -249,6 +250,13 @@ func Getwd() (wd string, err error) {
 	if n < 1 || n > len(buf) || buf[n-1] != 0 {
 		return "", EINVAL
 	}
+	// In some cases, Linux can return a path that starts with the
+	// "(unreachable)" prefix, which can potentially be a valid relative
+	// path. To work around that, return ENOENT if path is not absolute.
+	if buf[0] != '/' {
+		return "", ENOENT
+	}
+
 	return string(buf[0 : n-1]), nil
 }

@ -358,6 +366,8 @@ func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int,
 	return
 }

+//sys	Waitid(idType int, id int, info *Siginfo, options int, rusage *Rusage) (err error)
+
 func Mkfifo(path string, mode uint32) error {
 	return Mknod(path, mode|S_IFIFO, 0)
 }
@ -1489,10 +1499,9 @@ func KeyctlRestrictKeyring(ringid int, keyType string, restriction string) error
 //sys	keyctlRestrictKeyringByType(cmd int, arg2 int, keyType string, restriction string) (err error) = SYS_KEYCTL
 //sys	keyctlRestrictKeyring(cmd int, arg2 int) (err error) = SYS_KEYCTL

-func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
+func recvmsgRaw(fd int, p, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) {
 	var msg Msghdr
-	var rsa RawSockaddrAny
-	msg.Name = (*byte)(unsafe.Pointer(&rsa))
+	msg.Name = (*byte)(unsafe.Pointer(rsa))
 	msg.Namelen = uint32(SizeofSockaddrAny)
 	var iov Iovec
 	if len(p) > 0 {
@ -1523,28 +1532,10 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
 	}
 	oobn = int(msg.Controllen)
 	recvflags = int(msg.Flags)
-	// source address is only specified if the socket is unconnected
-	if rsa.Addr.Family != AF_UNSPEC {
-		from, err = anyToSockaddr(fd, &rsa)
-	}
 	return
 }

-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
-	_, err = SendmsgN(fd, p, oob, to, flags)
-	return
-}
-
-func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
-	var ptr unsafe.Pointer
-	var salen _Socklen
-	if to != nil {
-		var err error
-		ptr, salen, err = to.sockaddr()
-		if err != nil {
-			return 0, err
-		}
-	}
+func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
 	var msg Msghdr
 	msg.Name = (*byte)(ptr)
 	msg.Namelen = uint32(salen)
@ -1869,6 +1860,7 @@ func Getpgrp() (pid int) {
 //sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
 //sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
 //sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
+//sys	OpenTree(dfd int, fileName string, flags uint) (r int, err error)
 //sys	PerfEventOpen(attr *PerfEventAttr, pid int, cpu int, groupFd int, flags int) (fd int, err error)
 //sys	PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT
 //sysnb	Prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) = SYS_PRLIMIT64
@ -2308,17 +2300,63 @@ type RemoteIovec struct {

 //sys	PidfdOpen(pid int, flags int) (fd int, err error) = SYS_PIDFD_OPEN
 //sys	PidfdGetfd(pidfd int, targetfd int, flags int) (fd int, err error) = SYS_PIDFD_GETFD
+//sys	PidfdSendSignal(pidfd int, sig Signal, info *Siginfo, flags int) (err error) = SYS_PIDFD_SEND_SIGNAL

 //sys	shmat(id int, addr uintptr, flag int) (ret uintptr, err error)
 //sys	shmctl(id int, cmd int, buf *SysvShmDesc) (result int, err error)
 //sys	shmdt(addr uintptr) (err error)
 //sys	shmget(key int, size int, flag int) (id int, err error)

+//sys	getitimer(which int, currValue *Itimerval) (err error)
+//sys	setitimer(which int, newValue *Itimerval, oldValue *Itimerval) (err error)
+
+// MakeItimerval creates an Itimerval from interval and value durations.
+func MakeItimerval(interval, value time.Duration) Itimerval {
+	return Itimerval{
+		Interval: NsecToTimeval(interval.Nanoseconds()),
+		Value:    NsecToTimeval(value.Nanoseconds()),
+	}
+}
+
+// A value which may be passed to the which parameter for Getitimer and
+// Setitimer.
+type ItimerWhich int
+
+// Possible which values for Getitimer and Setitimer.
+const (
+	ItimerReal    ItimerWhich = ITIMER_REAL
+	ItimerVirtual ItimerWhich = ITIMER_VIRTUAL
+	ItimerProf    ItimerWhich = ITIMER_PROF
+)
+
+// Getitimer wraps getitimer(2) to return the current value of the timer
+// specified by which.
+func Getitimer(which ItimerWhich) (Itimerval, error) {
+	var it Itimerval
+	if err := getitimer(int(which), &it); err != nil {
+		return Itimerval{}, err
+	}
+
+	return it, nil
+}
+
+// Setitimer wraps setitimer(2) to arm or disarm the timer specified by which.
+// It returns the previous value of the timer.
+//
+// If the Itimerval argument is the zero value, the timer will be disarmed.
+func Setitimer(which ItimerWhich, it Itimerval) (Itimerval, error) {
+	var prev Itimerval
+	if err := setitimer(int(which), &it, &prev); err != nil {
+		return Itimerval{}, err
+	}
+
+	return prev, nil
+}
+
 /*
 * Unimplemented
 */
 // AfsSyscall
-// Alarm
 // ArchPrctl
 // Brk
 // ClockNanosleep
@ -2334,7 +2372,6 @@ type RemoteIovec struct {
 // GetMempolicy
 // GetRobustList
 // GetThreadArea
-// Getitimer
 // Getpmsg
 // IoCancel
 // IoDestroy
@ -2412,5 +2449,4 @@ type RemoteIovec struct {
 // Vfork
 // Vhangup
 // Vserver
-// Waitid
 // _Sysctl
--- a/vendor/golang.org/x/sys/unix/syscall_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_386.go
@ -35,8 +35,8 @@ func setTimeval(sec, usec int64) Timeval {
 //sys	Iopl(level int) (err error)
 //sys	Lchown(path string, uid int, gid int) (err error) = SYS_LCHOWN32
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
 //sys	setfsgid(gid int) (prev int, err error) = SYS_SETFSGID32
@ -173,14 +173,6 @@ const (
 	_SENDMMSG    = 20
 )

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	fd, e := socketcall(_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0)
-	if e != 0 {
-		err = e
-	}
-	return
-}
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	fd, e := socketcall(_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	if e != 0 {
--- a/vendor/golang.org/x/sys/unix/syscall_linux_alarm.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_alarm.go
@ -0,0 +1,14 @@
+// Copyright 2022 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.
+
+//go:build linux && (386 || amd64 || mips || mipsle || mips64 || mipsle || ppc64 || ppc64le || ppc || s390x || sparc64)
+// +build linux
+// +build 386 amd64 mips mipsle mips64 mipsle ppc64 ppc64le ppc s390x sparc64
+
+package unix
+
+// SYS_ALARM is not defined on arm or riscv, but is available for other GOARCH
+// values.
+
+//sys	Alarm(seconds uint) (remaining uint, err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go
@ -28,9 +28,10 @@ func Lstat(path string, stat *Stat_t) (err error) {
 	return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW)
 }

+//sys	MemfdSecret(flags int) (fd int, err error)
 //sys	Pause() (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK

@ -62,7 +63,6 @@ func Stat(path string, stat *Stat_t) (err error) {
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
 //sys	Truncate(path string, length int64) (err error)
 //sys	Ustat(dev int, ubuf *Ustat_t) (err error)
-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_arm.go
@ -27,7 +27,6 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	return newoffset, nil
 }

-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
@ -97,8 +96,8 @@ func Utime(path string, buf *Utimbuf) error {

 //sys	utimes(path string, times *[2]Timeval) (err error)

-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
 //sys	Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64

--- a/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go
@ -22,8 +22,9 @@ import "unsafe"
 //sysnb	getrlimit(resource int, rlim *Rlimit) (err error)
 //sysnb	Getuid() (uid int)
 //sys	Listen(s int, n int) (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	MemfdSecret(flags int) (fd int, err error)
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK

@ -66,7 +67,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {
 	return ENOSYS
 }

-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go
@ -21,8 +21,8 @@ package unix
 //sys	Lchown(path string, uid int, gid int) (err error)
 //sys	Listen(s int, n int) (err error)
 //sys	Pause() (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK

@ -48,7 +48,6 @@ func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
 //sys	Truncate(path string, length int64) (err error)
 //sys	Ustat(dev int, ubuf *Ustat_t) (err error)
-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go
@ -25,8 +25,8 @@ func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 //sysnb	Getuid() (uid int)
 //sys	Lchown(path string, uid int, gid int) (err error)
 //sys	Listen(s int, n int) (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
@ -41,7 +41,6 @@ func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
 //sys	Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
 //sys	Ustat(dev int, ubuf *Ustat_t) (err error)
-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_ppc.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_ppc.go
@ -27,8 +27,8 @@ import (
 //sys	Listen(s int, n int) (err error)
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Pause() (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
@ -43,7 +43,6 @@ import (
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
 //sys	Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
 //sys	Ustat(dev int, ubuf *Ustat_t) (err error)
-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go
@ -26,8 +26,8 @@ package unix
 //sys	Listen(s int, n int) (err error)
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Pause() (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
@ -45,7 +45,6 @@ package unix
 //sys	Statfs(path string, buf *Statfs_t) (err error)
 //sys	Truncate(path string, length int64) (err error)
 //sys	Ustat(dev int, ubuf *Ustat_t) (err error)
-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_riscv64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_riscv64.go
@ -22,8 +22,8 @@ import "unsafe"
 //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
 //sysnb	Getuid() (uid int)
 //sys	Listen(s int, n int) (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK

 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
@ -65,7 +65,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {
 	return ENOSYS
 }

-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
@ -26,8 +26,8 @@ import (
 //sys	Lchown(path string, uid int, gid int) (err error)
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Pause() (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
@ -145,15 +145,6 @@ const (
 	netSendMMsg    = 20
 )

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (int, error) {
-	args := [3]uintptr{uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))}
-	fd, _, err := Syscall(SYS_SOCKETCALL, netAccept, uintptr(unsafe.Pointer(&args)), 0)
-	if err != 0 {
-		return 0, err
-	}
-	return int(fd), nil
-}
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (int, error) {
 	args := [4]uintptr{uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags)}
 	fd, _, err := Syscall(SYS_SOCKETCALL, netAccept4, uintptr(unsafe.Pointer(&args)), 0)
--- a/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go
@ -23,8 +23,8 @@ package unix
 //sys	Listen(s int, n int) (err error)
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Pause() (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
@ -42,7 +42,6 @@ package unix
 //sys	Statfs(path string, buf *Statfs_t) (err error)
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
 //sys	Truncate(path string, length int64) (err error)
-//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
--- a/vendor/golang.org/x/sys/unix/syscall_netbsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_netbsd.go
@ -163,11 +163,6 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 	return -1, ENOSYS
 }

-func setattrlistTimes(path string, times []Timespec, flags int) error {
-	// used on Darwin for UtimesNano
-	return ENOSYS
-}
-
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)

 //sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
@ -313,8 +308,8 @@ func Statvfs(path string, buf *Statvfs_t) (err error) {
 //sys	Open(path string, mode int, perm uint32) (fd int, err error)
 //sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
 //sys	Pathconf(path string, name int) (val int, err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
+//sys	pread(fd int, p []byte, offset int64) (n int, err error)
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
 //sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
--- a/vendor/golang.org/x/sys/unix/syscall_openbsd.go
+++ b/vendor/golang.org/x/sys/unix/syscall_openbsd.go
@ -149,11 +149,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }

-func setattrlistTimes(path string, times []Timespec, flags int) error {
-	// used on Darwin for UtimesNano
-	return ENOSYS
-}
-
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)

 //sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
@ -274,8 +269,8 @@ func Uname(uname *Utsname) error {
 //sys	Open(path string, mode int, perm uint32) (fd int, err error)
 //sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
 //sys	Pathconf(path string, name int) (val int, err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
+//sys	pread(fd int, p []byte, offset int64) (n int, err error)
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
 //sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
--- a/vendor/golang.org/x/sys/unix/syscall_solaris.go
+++ b/vendor/golang.org/x/sys/unix/syscall_solaris.go
@ -451,10 +451,9 @@ func Accept(fd int) (nfd int, sa Sockaddr, err error) {

 //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.__xnet_recvmsg

-func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
+func recvmsgRaw(fd int, p, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) {
 	var msg Msghdr
-	var rsa RawSockaddrAny
-	msg.Name = (*byte)(unsafe.Pointer(&rsa))
+	msg.Name = (*byte)(unsafe.Pointer(rsa))
 	msg.Namelen = uint32(SizeofSockaddrAny)
 	var iov Iovec
 	if len(p) > 0 {
@ -476,29 +475,12 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
 		return
 	}
 	oobn = int(msg.Accrightslen)
-	// source address is only specified if the socket is unconnected
-	if rsa.Addr.Family != AF_UNSPEC {
-		from, err = anyToSockaddr(fd, &rsa)
-	}
-	return
-}
-
-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
-	_, err = SendmsgN(fd, p, oob, to, flags)
 	return
 }

 //sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.__xnet_sendmsg

-func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
-	var ptr unsafe.Pointer
-	var salen _Socklen
-	if to != nil {
-		ptr, salen, err = to.sockaddr()
-		if err != nil {
-			return 0, err
-		}
-	}
+func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
 	var msg Msghdr
 	msg.Name = (*byte)(unsafe.Pointer(ptr))
 	msg.Namelen = uint32(salen)
@ -661,8 +643,8 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
 //sys	Pathconf(path string, name int) (val int, err error)
 //sys	Pause() (err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
+//sys	pread(fd int, p []byte, offset int64) (n int, err error)
+//sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
 //sys	Rename(from string, to string) (err error)
@ -755,8 +737,20 @@ type fileObjCookie struct {
 type EventPort struct {
 	port  int
 	mu    sync.Mutex
-	fds   map[uintptr]interface{}
+	fds   map[uintptr]*fileObjCookie
 	paths map[string]*fileObjCookie
+	// The user cookie presents an interesting challenge from a memory management perspective.
+	// There are two paths by which we can discover that it is no longer in use:
+	// 1. The user calls port_dissociate before any events fire
+	// 2. An event fires and we return it to the user
+	// The tricky situation is if the event has fired in the kernel but
+	// the user hasn't requested/received it yet.
+	// If the user wants to port_dissociate before the event has been processed,
+	// we should handle things gracefully. To do so, we need to keep an extra
+	// reference to the cookie around until the event is processed
+	// thus the otherwise seemingly extraneous "cookies" map
+	// The key of this map is a pointer to the corresponding &fCookie.cookie
+	cookies map[*interface{}]*fileObjCookie
 }

 // PortEvent is an abstraction of the port_event C struct.
@ -780,9 +774,10 @@ func NewEventPort() (*EventPort, error) {
 		return nil, err
 	}
 	e := &EventPort{
-		port:  port,
-		fds:   make(map[uintptr]interface{}),
-		paths: make(map[string]*fileObjCookie),
+		port:    port,
+		fds:     make(map[uintptr]*fileObjCookie),
+		paths:   make(map[string]*fileObjCookie),
+		cookies: make(map[*interface{}]*fileObjCookie),
 	}
 	return e, nil
 }
@ -797,9 +792,13 @@ func NewEventPort() (*EventPort, error) {
 func (e *EventPort) Close() error {
 	e.mu.Lock()
 	defer e.mu.Unlock()
+	err := Close(e.port)
+	if err != nil {
+		return err
+	}
 	e.fds = nil
 	e.paths = nil
-	return Close(e.port)
+	return nil
 }

 // PathIsWatched checks to see if path is associated with this EventPort.
@ -836,6 +835,7 @@ func (e *EventPort) AssociatePath(path string, stat os.FileInfo, events int, coo
 		return err
 	}
 	e.paths[path] = fCookie
+	e.cookies[&fCookie.cookie] = fCookie
 	return nil
 }

@ -848,11 +848,19 @@ func (e *EventPort) DissociatePath(path string) error {
 		return fmt.Errorf("%v is not associated with this Event Port", path)
 	}
 	_, err := port_dissociate(e.port, PORT_SOURCE_FILE, uintptr(unsafe.Pointer(f.fobj)))
-	if err != nil {
+	// If the path is no longer associated with this event port (ENOENT)
+	// we should delete it from our map. We can still return ENOENT to the caller.
+	// But we need to save the cookie
+	if err != nil && err != ENOENT {
 		return err
 	}
+	if err == nil {
+		// dissociate was successful, safe to delete the cookie
+		fCookie := e.paths[path]
+		delete(e.cookies, &fCookie.cookie)
+	}
 	delete(e.paths, path)
-	return nil
+	return err
 }

 // AssociateFd wraps calls to port_associate(3c) on file descriptors.
@ -862,12 +870,13 @@ func (e *EventPort) AssociateFd(fd uintptr, events int, cookie interface{}) erro
 	if _, found := e.fds[fd]; found {
 		return fmt.Errorf("%v is already associated with this Event Port", fd)
 	}
-	pcookie := &cookie
-	_, err := port_associate(e.port, PORT_SOURCE_FD, fd, events, (*byte)(unsafe.Pointer(pcookie)))
+	fCookie := &fileObjCookie{nil, cookie}
+	_, err := port_associate(e.port, PORT_SOURCE_FD, fd, events, (*byte)(unsafe.Pointer(&fCookie.cookie)))
 	if err != nil {
 		return err
 	}
-	e.fds[fd] = pcookie
+	e.fds[fd] = fCookie
+	e.cookies[&fCookie.cookie] = fCookie
 	return nil
 }

@ -880,11 +889,16 @@ func (e *EventPort) DissociateFd(fd uintptr) error {
 		return fmt.Errorf("%v is not associated with this Event Port", fd)
 	}
 	_, err := port_dissociate(e.port, PORT_SOURCE_FD, fd)
-	if err != nil {
+	if err != nil && err != ENOENT {
 		return err
 	}
+	if err == nil {
+		// dissociate was successful, safe to delete the cookie
+		fCookie := e.fds[fd]
+		delete(e.cookies, &fCookie.cookie)
+	}
 	delete(e.fds, fd)
-	return nil
+	return err
 }

 func createFileObj(name string, stat os.FileInfo) (*fileObj, error) {
@ -912,26 +926,48 @@ func (e *EventPort) GetOne(t *Timespec) (*PortEvent, error) {
 		return nil, err
 	}
 	p := new(PortEvent)
-	p.Events = pe.Events
-	p.Source = pe.Source
 	e.mu.Lock()
 	defer e.mu.Unlock()
-	switch pe.Source {
-	case PORT_SOURCE_FD:
-		p.Fd = uintptr(pe.Object)
-		cookie := (*interface{})(unsafe.Pointer(pe.User))
-		p.Cookie = *cookie
-		delete(e.fds, p.Fd)
-	case PORT_SOURCE_FILE:
-		p.fobj = (*fileObj)(unsafe.Pointer(uintptr(pe.Object)))
-		p.Path = BytePtrToString((*byte)(unsafe.Pointer(p.fobj.Name)))
-		cookie := (*interface{})(unsafe.Pointer(pe.User))
-		p.Cookie = *cookie
-		delete(e.paths, p.Path)
-	}
+	e.peIntToExt(pe, p)
 	return p, nil
 }

+// peIntToExt converts a cgo portEvent struct into the friendlier PortEvent
+// NOTE: Always call this function while holding the e.mu mutex
+func (e *EventPort) peIntToExt(peInt *portEvent, peExt *PortEvent) {
+	peExt.Events = peInt.Events
+	peExt.Source = peInt.Source
+	cookie := (*interface{})(unsafe.Pointer(peInt.User))
+	peExt.Cookie = *cookie
+	switch peInt.Source {
+	case PORT_SOURCE_FD:
+		delete(e.cookies, cookie)
+		peExt.Fd = uintptr(peInt.Object)
+		// Only remove the fds entry if it exists and this cookie matches
+		if fobj, ok := e.fds[peExt.Fd]; ok {
+			if &fobj.cookie == cookie {
+				delete(e.fds, peExt.Fd)
+			}
+		}
+	case PORT_SOURCE_FILE:
+		if fCookie, ok := e.cookies[cookie]; ok && uintptr(unsafe.Pointer(fCookie.fobj)) == uintptr(peInt.Object) {
+			// Use our stashed reference rather than using unsafe on what we got back
+			// the unsafe version would be (*fileObj)(unsafe.Pointer(uintptr(peInt.Object)))
+			peExt.fobj = fCookie.fobj
+		} else {
+			panic("mismanaged memory")
+		}
+		delete(e.cookies, cookie)
+		peExt.Path = BytePtrToString((*byte)(unsafe.Pointer(peExt.fobj.Name)))
+		// Only remove the paths entry if it exists and this cookie matches
+		if fobj, ok := e.paths[peExt.Path]; ok {
+			if &fobj.cookie == cookie {
+				delete(e.paths, peExt.Path)
+			}
+		}
+	}
+}
+
 // Pending wraps port_getn(3c) and returns how many events are pending.
 func (e *EventPort) Pending() (int, error) {
 	var n uint32 = 0
@ -962,21 +998,7 @@ func (e *EventPort) Get(s []PortEvent, min int, timeout *Timespec) (int, error)
 	e.mu.Lock()
 	defer e.mu.Unlock()
 	for i := 0; i < int(got); i++ {
-		s[i].Events = ps[i].Events
-		s[i].Source = ps[i].Source
-		switch ps[i].Source {
-		case PORT_SOURCE_FD:
-			s[i].Fd = uintptr(ps[i].Object)
-			cookie := (*interface{})(unsafe.Pointer(ps[i].User))
-			s[i].Cookie = *cookie
-			delete(e.fds, s[i].Fd)
-		case PORT_SOURCE_FILE:
-			s[i].fobj = (*fileObj)(unsafe.Pointer(uintptr(ps[i].Object)))
-			s[i].Path = BytePtrToString((*byte)(unsafe.Pointer(s[i].fobj.Name)))
-			cookie := (*interface{})(unsafe.Pointer(ps[i].User))
-			s[i].Cookie = *cookie
-			delete(e.paths, s[i].Path)
-		}
+		e.peIntToExt(&ps[i], &s[i])
 	}
 	return int(got), err
 }
--- a/vendor/golang.org/x/sys/unix/syscall_unix.go
+++ b/vendor/golang.org/x/sys/unix/syscall_unix.go
@ -177,6 +177,30 @@ func Write(fd int, p []byte) (n int, err error) {
 	return
 }

+func Pread(fd int, p []byte, offset int64) (n int, err error) {
+	n, err = pread(fd, p, offset)
+	if raceenabled {
+		if n > 0 {
+			raceWriteRange(unsafe.Pointer(&p[0]), n)
+		}
+		if err == nil {
+			raceAcquire(unsafe.Pointer(&ioSync))
+		}
+	}
+	return
+}
+
+func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	n, err = pwrite(fd, p, offset)
+	if raceenabled && n > 0 {
+		raceReadRange(unsafe.Pointer(&p[0]), n)
+	}
+	return
+}
+
 // For testing: clients can set this flag to force
 // creation of IPv6 sockets to return EAFNOSUPPORT.
 var SocketDisableIPv6 bool
@ -313,6 +337,33 @@ func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
 	return
 }

+func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	n, oobn, recvflags, err = recvmsgRaw(fd, p, oob, flags, &rsa)
+	// source address is only specified if the socket is unconnected
+	if rsa.Addr.Family != AF_UNSPEC {
+		from, err = anyToSockaddr(fd, &rsa)
+	}
+	return
+}
+
+func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
+	_, err = SendmsgN(fd, p, oob, to, flags)
+	return
+}
+
+func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
+	var ptr unsafe.Pointer
+	var salen _Socklen
+	if to != nil {
+		ptr, salen, err = to.sockaddr()
+		if err != nil {
+			return 0, err
+		}
+	}
+	return sendmsgN(fd, p, oob, ptr, salen, flags)
+}
+
 func Send(s int, buf []byte, flags int) (err error) {
 	return sendto(s, buf, flags, nil, 0)
 }
--- a/vendor/golang.org/x/sys/unix/zerrors_linux.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux.go
@ -38,7 +38,8 @@ const (
 	AF_KEY                                      = 0xf
 	AF_LLC                                      = 0x1a
 	AF_LOCAL                                    = 0x1
-	AF_MAX                                      = 0x2d
+	AF_MAX                                      = 0x2e
+	AF_MCTP                                     = 0x2d
 	AF_MPLS                                     = 0x1c
 	AF_NETBEUI                                  = 0xd
 	AF_NETLINK                                  = 0x10
@ -259,6 +260,17 @@ const (
 	BUS_USB                                     = 0x3
 	BUS_VIRTUAL                                 = 0x6
 	CAN_BCM                                     = 0x2
+	CAN_CTRLMODE_3_SAMPLES                      = 0x4
+	CAN_CTRLMODE_BERR_REPORTING                 = 0x10
+	CAN_CTRLMODE_CC_LEN8_DLC                    = 0x100
+	CAN_CTRLMODE_FD                             = 0x20
+	CAN_CTRLMODE_FD_NON_ISO                     = 0x80
+	CAN_CTRLMODE_LISTENONLY                     = 0x2
+	CAN_CTRLMODE_LOOPBACK                       = 0x1
+	CAN_CTRLMODE_ONE_SHOT                       = 0x8
+	CAN_CTRLMODE_PRESUME_ACK                    = 0x40
+	CAN_CTRLMODE_TDC_AUTO                       = 0x200
+	CAN_CTRLMODE_TDC_MANUAL                     = 0x400
 	CAN_EFF_FLAG                                = 0x80000000
 	CAN_EFF_ID_BITS                             = 0x1d
 	CAN_EFF_MASK                                = 0x1fffffff
@ -336,6 +348,7 @@ const (
 	CAN_RTR_FLAG                                = 0x40000000
 	CAN_SFF_ID_BITS                             = 0xb
 	CAN_SFF_MASK                                = 0x7ff
+	CAN_TERMINATION_DISABLED                    = 0x0
 	CAN_TP16                                    = 0x3
 	CAN_TP20                                    = 0x4
 	CAP_AUDIT_CONTROL                           = 0x1e
@ -1267,9 +1280,14 @@ const (
 	IP_XFRM_POLICY                              = 0x11
 	ISOFS_SUPER_MAGIC                           = 0x9660
 	ISTRIP                                      = 0x20
+	ITIMER_PROF                                 = 0x2
+	ITIMER_REAL                                 = 0x0
+	ITIMER_VIRTUAL                              = 0x1
 	IUTF8                                       = 0x4000
 	IXANY                                       = 0x800
 	JFFS2_SUPER_MAGIC                           = 0x72b6
+	KCMPROTO_CONNECTED                          = 0x0
+	KCM_RECV_DISABLE                            = 0x1
 	KEXEC_ARCH_386                              = 0x30000
 	KEXEC_ARCH_68K                              = 0x40000
 	KEXEC_ARCH_AARCH64                          = 0xb70000
@ -2117,6 +2135,10 @@ const (
 	PTRACE_SYSCALL_INFO_NONE                    = 0x0
 	PTRACE_SYSCALL_INFO_SECCOMP                 = 0x3
 	PTRACE_TRACEME                              = 0x0
+	P_ALL                                       = 0x0
+	P_PGID                                      = 0x2
+	P_PID                                       = 0x1
+	P_PIDFD                                     = 0x3
 	QNX4_SUPER_MAGIC                            = 0x2f
 	QNX6_SUPER_MAGIC                            = 0x68191122
 	RAMFS_MAGIC                                 = 0x858458f6
@ -2442,6 +2464,9 @@ const (
 	SIOCGSTAMPNS                                = 0x8907
 	SIOCGSTAMPNS_OLD                            = 0x8907
 	SIOCGSTAMP_OLD                              = 0x8906
+	SIOCKCMATTACH                               = 0x89e0
+	SIOCKCMCLONE                                = 0x89e2
+	SIOCKCMUNATTACH                             = 0x89e1
 	SIOCOUTQNSD                                 = 0x894b
 	SIOCPROTOPRIVATE                            = 0x89e0
 	SIOCRTMSG                                   = 0x890d
--- a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc.go
@ -975,7 +975,7 @@ func Pause() (err error) {

 // 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) {
+func pread(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 *byte
 	if len(p) > 0 {
 		_p0 = &p[0]
@ -992,7 +992,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+func pwrite(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 *byte
 	if len(p) > 0 {
 		_p0 = &p[0]
--- a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go
@ -931,7 +931,7 @@ func Pause() (err error) {

 // 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) {
+func pread(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 *byte
 	if len(p) > 0 {
 		_p0 = &p[0]
@ -946,7 +946,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+func pwrite(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 *byte
 	if len(p) > 0 {
 		_p0 = &p[0]
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
@ -643,17 +643,22 @@ var libc_flistxattr_trampoline_addr uintptr

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := syscall_syscall6(libc_setattrlist_trampoline_addr, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
+func utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(libc_utimensat_trampoline_addr, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), uintptr(flags), 0, 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
 	return
 }

-var libc_setattrlist_trampoline_addr uintptr
+var libc_utimensat_trampoline_addr uintptr

-//go:cgo_import_dynamic libc_setattrlist setattrlist "/usr/lib/libSystem.B.dylib"
+//go:cgo_import_dynamic libc_utimensat utimensat "/usr/lib/libSystem.B.dylib"

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

@ -1698,7 +1703,7 @@ var libc_pathconf_trampoline_addr uintptr

 // 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) {
+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])
@ -1719,7 +1724,7 @@ var libc_pread_trampoline_addr uintptr

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s
@ -228,11 +228,11 @@ TEXT libc_flistxattr_trampoline<>(SB),NOSPLIT,$0-0
 GLOBL	·libc_flistxattr_trampoline_addr(SB), RODATA, $8
 DATA	·libc_flistxattr_trampoline_addr(SB)/8, $libc_flistxattr_trampoline<>(SB)

-TEXT libc_setattrlist_trampoline<>(SB),NOSPLIT,$0-0
-	JMP	libc_setattrlist(SB)
+TEXT libc_utimensat_trampoline<>(SB),NOSPLIT,$0-0
+	JMP	libc_utimensat(SB)

-GLOBL	·libc_setattrlist_trampoline_addr(SB), RODATA, $8
-DATA	·libc_setattrlist_trampoline_addr(SB)/8, $libc_setattrlist_trampoline<>(SB)
+GLOBL	·libc_utimensat_trampoline_addr(SB), RODATA, $8
+DATA	·libc_utimensat_trampoline_addr(SB)/8, $libc_utimensat_trampoline<>(SB)

 TEXT libc_fcntl_trampoline<>(SB),NOSPLIT,$0-0
 	JMP	libc_fcntl(SB)
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go
@ -643,17 +643,22 @@ var libc_flistxattr_trampoline_addr uintptr

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) {
-	_, _, e1 := syscall_syscall6(libc_setattrlist_trampoline_addr, uintptr(unsafe.Pointer(path)), uintptr(list), uintptr(buf), uintptr(size), uintptr(options), 0)
+func utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(libc_utimensat_trampoline_addr, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), uintptr(flags), 0, 0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
 	return
 }

-var libc_setattrlist_trampoline_addr uintptr
+var libc_utimensat_trampoline_addr uintptr

-//go:cgo_import_dynamic libc_setattrlist setattrlist "/usr/lib/libSystem.B.dylib"
+//go:cgo_import_dynamic libc_utimensat utimensat "/usr/lib/libSystem.B.dylib"

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

@ -1698,7 +1703,7 @@ var libc_pathconf_trampoline_addr uintptr

 // 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) {
+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])
@ -1719,7 +1724,7 @@ var libc_pread_trampoline_addr uintptr

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.s
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.s
@ -228,11 +228,11 @@ TEXT libc_flistxattr_trampoline<>(SB),NOSPLIT,$0-0
 GLOBL	·libc_flistxattr_trampoline_addr(SB), RODATA, $8
 DATA	·libc_flistxattr_trampoline_addr(SB)/8, $libc_flistxattr_trampoline<>(SB)

-TEXT libc_setattrlist_trampoline<>(SB),NOSPLIT,$0-0
-	JMP	libc_setattrlist(SB)
+TEXT libc_utimensat_trampoline<>(SB),NOSPLIT,$0-0
+	JMP	libc_utimensat(SB)

-GLOBL	·libc_setattrlist_trampoline_addr(SB), RODATA, $8
-DATA	·libc_setattrlist_trampoline_addr(SB)/8, $libc_setattrlist_trampoline<>(SB)
+GLOBL	·libc_utimensat_trampoline_addr(SB), RODATA, $8
+DATA	·libc_utimensat_trampoline_addr(SB)/8, $libc_utimensat_trampoline<>(SB)

 TEXT libc_fcntl_trampoline<>(SB),NOSPLIT,$0-0
 	JMP	libc_fcntl(SB)
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_386.go
@ -1420,7 +1420,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1437,7 +1437,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_amd64.go
@ -1420,7 +1420,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1437,7 +1437,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm.go
@ -1420,7 +1420,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1437,7 +1437,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_freebsd_arm64.go
@ -1420,7 +1420,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1437,7 +1437,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux.go
@ -231,6 +231,16 @@ func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

+func Waitid(idType int, id int, info *Siginfo, options int, rusage *Rusage) (err error) {
+	_, _, e1 := Syscall6(SYS_WAITID, uintptr(idType), uintptr(id), uintptr(unsafe.Pointer(info)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func KeyctlInt(cmd int, arg2 int, arg3 int, arg4 int, arg5 int) (ret int, err error) {
 	r0, _, e1 := Syscall6(SYS_KEYCTL, uintptr(cmd), uintptr(arg2), uintptr(arg3), uintptr(arg4), uintptr(arg5), 0)
 	ret = int(r0)
@ -1205,6 +1215,22 @@ func Nanosleep(time *Timespec, leftover *Timespec) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

+func OpenTree(dfd int, fileName string, flags uint) (r int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(fileName)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_OPEN_TREE, uintptr(dfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
+	r = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func PerfEventOpen(attr *PerfEventAttr, pid int, cpu int, groupFd int, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_PERF_EVENT_OPEN, uintptr(unsafe.Pointer(attr)), uintptr(pid), uintptr(cpu), uintptr(groupFd), uintptr(flags), 0)
 	fd = int(r0)
@ -1992,6 +2018,16 @@ func PidfdGetfd(pidfd int, targetfd int, flags int) (fd int, err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

+func PidfdSendSignal(pidfd int, sig Signal, info *Siginfo, flags int) (err error) {
+	_, _, e1 := Syscall6(SYS_PIDFD_SEND_SIGNAL, uintptr(pidfd), uintptr(sig), uintptr(unsafe.Pointer(info)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func shmat(id int, addr uintptr, flag int) (ret uintptr, err error) {
 	r0, _, e1 := Syscall(SYS_SHMAT, uintptr(id), uintptr(addr), uintptr(flag))
 	ret = uintptr(r0)
@ -2032,3 +2068,23 @@ func shmget(key int, size int, flag int) (id int, err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getitimer(which int, currValue *Itimerval) (err error) {
+	_, _, e1 := Syscall(SYS_GETITIMER, uintptr(which), uintptr(unsafe.Pointer(currValue)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func setitimer(which int, newValue *Itimerval, oldValue *Itimerval) (err error) {
+	_, _, e1 := Syscall(SYS_SETITIMER, uintptr(which), uintptr(unsafe.Pointer(newValue)), uintptr(unsafe.Pointer(oldValue)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -l32 -tags linux,386 syscall_linux.go syscall_linux_386.go
+// go run mksyscall.go -l32 -tags linux,386 syscall_linux.go syscall_linux_386.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && 386
@ -200,7 +200,7 @@ func Lstat(path string, stat *Stat_t) (err error) {

 // 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) {
+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])
@ -217,7 +217,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -524,3 +524,14 @@ func utimes(path string, times *[2]Timeval) (err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -tags linux,amd64 syscall_linux.go syscall_linux_amd64.go
+// go run mksyscall.go -tags linux,amd64 syscall_linux.go syscall_linux_amd64.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && amd64
@ -215,6 +215,17 @@ func Listen(s int, n int) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

+func MemfdSecret(flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_MEMFD_SECRET, uintptr(flags), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Pause() (err error) {
 	_, _, e1 := Syscall(SYS_PAUSE, 0, 0, 0)
 	if e1 != 0 {
@ -225,7 +236,7 @@ func Pause() (err error) {

 // 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) {
+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])
@ -242,7 +253,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -444,17 +455,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -691,3 +691,14 @@ func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, f
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go
@ -46,17 +46,6 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -549,7 +538,7 @@ func utimes(path string, times *[2]Timeval) (err error) {

 // 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) {
+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])
@ -566,7 +555,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go
@ -180,7 +180,18 @@ func Listen(s int, n int) (err error) {

 // 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) {
+func MemfdSecret(flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_MEMFD_SECRET, uintptr(flags), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pread(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(p) > 0 {
 		_p0 = unsafe.Pointer(&p[0])
@ -197,7 +208,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -389,17 +400,6 @@ func Truncate(path string, length int64) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -b32 -arm -tags linux,mips syscall_linux.go syscall_linux_mipsx.go
+// go run mksyscall.go -b32 -arm -tags linux,mips syscall_linux.go syscall_linux_mipsx.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && mips
@ -150,7 +150,7 @@ func Listen(s int, n int) (err error) {

 // 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) {
+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])
@ -167,7 +167,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -344,17 +344,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -702,3 +691,14 @@ func setrlimit(resource int, rlim *rlimit32) (err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -tags linux,mips64 syscall_linux.go syscall_linux_mips64x.go
+// go run mksyscall.go -tags linux,mips64 syscall_linux.go syscall_linux_mips64x.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && mips64
@ -180,7 +180,7 @@ func Pause() (err error) {

 // 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) {
+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])
@ -197,7 +197,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -399,17 +399,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -696,3 +685,14 @@ func stat(path string, st *stat_t) (err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go
@ -180,7 +180,7 @@ func Pause() (err error) {

 // 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) {
+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])
@ -197,7 +197,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -399,17 +399,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -l32 -arm -tags linux,mipsle syscall_linux.go syscall_linux_mipsx.go
+// go run mksyscall.go -l32 -arm -tags linux,mipsle syscall_linux.go syscall_linux_mipsx.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && mipsle
@ -150,7 +150,7 @@ func Listen(s int, n int) (err error) {

 // 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) {
+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])
@ -167,7 +167,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -344,17 +344,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -702,3 +691,14 @@ func setrlimit(resource int, rlim *rlimit32) (err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -b32 -tags linux,ppc syscall_linux.go syscall_linux_ppc.go
+// go run mksyscall.go -b32 -tags linux,ppc syscall_linux.go syscall_linux_ppc.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && ppc
@ -210,7 +210,7 @@ func Pause() (err error) {

 // 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) {
+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])
@ -227,7 +227,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -409,17 +409,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -707,3 +696,14 @@ func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, f
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -tags linux,ppc64 syscall_linux.go syscall_linux_ppc64x.go
+// go run mksyscall.go -tags linux,ppc64 syscall_linux.go syscall_linux_ppc64x.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && ppc64
@ -240,7 +240,7 @@ func Pause() (err error) {

 // 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) {
+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])
@ -257,7 +257,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -475,17 +475,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -753,3 +742,14 @@ func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, f
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -tags linux,ppc64le syscall_linux.go syscall_linux_ppc64x.go
+// go run mksyscall.go -tags linux,ppc64le syscall_linux.go syscall_linux_ppc64x.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && ppc64le
@ -240,7 +240,7 @@ func Pause() (err error) {

 // 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) {
+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])
@ -257,7 +257,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -475,17 +475,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -753,3 +742,14 @@ func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, f
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_riscv64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_riscv64.go
@ -180,7 +180,7 @@ func Listen(s int, n int) (err error) {

 // 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) {
+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])
@ -197,7 +197,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -369,17 +369,6 @@ func Truncate(path string, length int64) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -tags linux,s390x syscall_linux.go syscall_linux_s390x.go
+// go run mksyscall.go -tags linux,s390x syscall_linux.go syscall_linux_s390x.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && s390x
@ -210,7 +210,7 @@ func Pause() (err error) {

 // 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) {
+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])
@ -227,7 +227,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -533,3 +533,14 @@ func kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, f
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_sparc64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_sparc64.go
@ -1,4 +1,4 @@
-// go run mksyscall.go -tags linux,sparc64 syscall_linux.go syscall_linux_sparc64.go
+// go run mksyscall.go -tags linux,sparc64 syscall_linux.go syscall_linux_sparc64.go syscall_linux_alarm.go
 // Code generated by the command above; see README.md. DO NOT EDIT.

 //go:build linux && sparc64
@ -220,7 +220,7 @@ func Pause() (err error) {

 // 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) {
+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])
@ -237,7 +237,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
@ -455,17 +455,6 @@ func Truncate(path string, length int64) (err error) {

 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

-func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
 	r0, _, e1 := Syscall6(SYS_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
 	fd = int(r0)
@ -697,3 +686,14 @@ func utimes(path string, times *[2]Timeval) (err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Alarm(seconds uint) (remaining uint, err error) {
+	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
+	remaining = uint(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_386.go
@ -1330,7 +1330,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1347,7 +1347,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_amd64.go
@ -1330,7 +1330,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1347,7 +1347,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm.go
@ -1330,7 +1330,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1347,7 +1347,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm64.go
@ -1330,7 +1330,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1347,7 +1347,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.go
@ -1128,7 +1128,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1145,7 +1145,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go
@ -1128,7 +1128,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1145,7 +1145,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go
@ -1128,7 +1128,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1145,7 +1145,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm64.go
@ -1128,7 +1128,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1145,7 +1145,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_openbsd_mips64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_openbsd_mips64.go
@ -1128,7 +1128,7 @@ func Pathconf(path string, name int) (val int, err error) {

 // 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) {
+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])
@ -1145,7 +1145,7 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+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])
--- a/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
@ -227,8 +227,8 @@ import (
 //go:linkname procOpenat libc_openat
 //go:linkname procPathconf libc_pathconf
 //go:linkname procPause libc_pause
-//go:linkname procPread libc_pread
-//go:linkname procPwrite libc_pwrite
+//go:linkname procpread libc_pread
+//go:linkname procpwrite libc_pwrite
 //go:linkname procread libc_read
 //go:linkname procReadlink libc_readlink
 //go:linkname procRename libc_rename
@ -364,8 +364,8 @@ var (
 	procOpenat,
 	procPathconf,
 	procPause,
-	procPread,
-	procPwrite,
+	procpread,
+	procpwrite,
 	procread,
 	procReadlink,
 	procRename,
@ -1380,12 +1380,12 @@ func Pause() (err error) {

 // 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) {
+func pread(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 *byte
 	if len(p) > 0 {
 		_p0 = &p[0]
 	}
-	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procPread)), 4, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(p)), uintptr(offset), 0, 0)
+	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procpread)), 4, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(p)), uintptr(offset), 0, 0)
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
@ -1395,12 +1395,12 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {

 // 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) {
+func pwrite(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 *byte
 	if len(p) > 0 {
 		_p0 = &p[0]
 	}
-	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procPwrite)), 4, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(p)), uintptr(offset), 0, 0)
+	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procpwrite)), 4, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(p)), uintptr(offset), 0, 0)
 	n = int(r0)
 	if e1 != 0 {
 		err = e1
--- a/vendor/golang.org/x/sys/unix/ztypes_linux.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux.go
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_386.go
@ -240,6 +240,10 @@ type EpollEvent struct {
 	Pad    int32
 }

+const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
 const (
 	POLLRDHUP = 0x2000
 )
@ -250,6 +254,13 @@ type Sigset_t struct {

 const _C__NSIG = 0x41

+type Siginfo struct {
+	Signo int32
+	Errno int32
+	Code  int32
+	_     [116]byte
+}
+
 type Termios struct {
 	Iflag  uint32
 	Oflag  uint32
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
@ -255,6 +255,10 @@ type EpollEvent struct {
 	Pad    int32
 }

+const (
+	OPEN_TREE_CLOEXEC = 0x80000
+)
+
 const (
 	POLLRDHUP = 0x2000
 )
@ -265,6 +269,14 @@ type Sigset_t struct {

 const _C__NSIG = 0x41

+type Siginfo struct {
+	Signo int32
+	Errno int32
+	Code  int32
+	_     int32
+	_     [112]byte
+}
+
 type Termios struct {
 	Iflag  uint32
 	Oflag  uint32
--- a/Show More
+++ b/Show More