Update RootlessKit to v0.14.5 (#3902)

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

go.mod

@@ -86,7 +86,7 @@ require (
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/golangplus/testing v1.0.0 // indirect
 	github.com/google/cadvisor v0.39.2
-	github.com/google/uuid v1.2.0
+	github.com/google/uuid v1.3.0
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/websocket v1.4.2
 	github.com/k3s-io/helm-controller v0.11.3
@@ -110,7 +110,7 @@ require (
 	github.com/rancher/wharfie v0.3.4
 	github.com/rancher/wrangler v0.8.3
 	github.com/robfig/cron/v3 v3.0.1
-	github.com/rootless-containers/rootlesskit v0.14.0
+	github.com/rootless-containers/rootlesskit v0.14.5
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0

go.sum

@@ -374,8 +374,8 @@ github.com/godbus/dbus v0.0.0-20180201030542-885f9cc04c9c/go.mod h1:/YcGZj5zSblf
 github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/godbus/dbus/v5 v5.0.4 h1:9349emZab16e7zQvpmsbtjc18ykshndd8y2PG3sgJbA=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/gofrs/flock v0.8.0 h1:MSdYClljsF3PbENUUEx85nkWfJSGfzYI9yEBZOJz6CY=
+github.com/gofrs/flock v0.8.1 h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=
-github.com/gofrs/flock v0.8.0/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU=
+github.com/gofrs/flock v0.8.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU=
 github.com/gofrs/uuid v4.0.0+incompatible h1:1SD/1F5pU8p29ybwgQSwpQk+mwdRrXCYuPhW6m+TnJw=
 github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/googleapis v1.4.0 h1:zgVt4UpGxcqVOw97aRGxT4svlcmdK35fynLNctY32zI=
@@ -445,8 +445,9 @@ github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
 github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
+github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5 h1:sjZBwGj9Jlw33ImPtvFviGYvseOtDM7hkSKB7+Tv3SM=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
@@ -516,7 +517,6 @@ github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANyt
 github.com/insomniacslk/dhcp v0.0.0-20210120172423-cc9239ac6294/go.mod h1:TKl4jN3Voofo4UJIicyNhWGp/nlQqQkFxmwIFTvBkKI=
 github.com/ishidawataru/sctp v0.0.0-20190723014705-7c296d48a2b5/go.mod h1:DM4VvS+hD/kDi1U1QsX2fnZowwBhqD0Dk3bRPKF/Oc8=
 github.com/j-keck/arping v0.0.0-20160618110441-2cf9dc699c56/go.mod h1:ymszkNOg6tORTn+6F6j+Jc8TOr5osrynvN6ivFWZ2GA=
-github.com/jamescun/tuntap v0.0.0-20190712092105-cb1fb277045c/go.mod h1:zzwpsgcYhzzIP5WyF8g9ivCv38cY9uAV9Gu0m3lThhE=
 github.com/jmespath/go-jmespath v0.0.0-20160803190731-bd40a432e4c7/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
@@ -860,8 +860,8 @@ github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzG
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
-github.com/rootless-containers/rootlesskit v0.14.0 h1:4zfZqDv7JzsVuMkj4ZMB9cs9mQQnyl1gWBsrpOYcmtk=
+github.com/rootless-containers/rootlesskit v0.14.5 h1:X4eNt2e1h/uSjlssKqpeTY5fatrjDz9F9FX05RJB7Tw=
-github.com/rootless-containers/rootlesskit v0.14.0/go.mod h1:nV3TpRISvwhZQSwo0nmQQnxjCxXr3mvrMi0oASLvzcg=
+github.com/rootless-containers/rootlesskit v0.14.5/go.mod h1:Ai3detLzryb/4EkzXmNfh8aByUcBXp/qqkQusJs1SO8=
 github.com/rs/xid v1.2.1 h1:mhH9Nq+C1fY2l1XIpgxIiUOfNpRBYH1kKcr+qfKgjRc=
 github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
 github.com/rubiojr/go-vhd v0.0.0-20200706105327-02e210299021 h1:if3/24+h9Sq6eDx8UUz1SO9cT9tizyIsATfB7b4D3tc=
@@ -899,6 +899,7 @@ github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/soheilhy/cmux v0.1.5 h1:jjzc5WVemNEDTLwv9tlmemhC73tI08BNOIGwBOo10Js=
 github.com/soheilhy/cmux v0.1.5/go.mod h1:T7TcVDs9LWfQgPlPsdngu6I6QIoyIFZDDC6sNE1GqG0=
+github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8/go.mod h1:P5HUIBuIWKbyjl083/loAegFkfbFNx5i2qEP4CNbm7E=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/afero v1.2.2 h1:5jhuqJyZCZf2JRofRvN/nIFgIWNzPa3/Vz8mYylgbWc=

vendor/github.com/gofrs/flock/flock_aix.go

@@ -34,6 +34,13 @@ const (
 	writeLock lockType = unix.F_WRLCK
 )
 
+type cmdType int
+
+const (
+	tryLock  cmdType = unix.F_SETLK
+	waitLock cmdType = unix.F_SETLKW
+)
+
 type inode = uint64
 
 type inodeLock struct {
@@ -90,7 +97,7 @@ func (f *Flock) lock(locked *bool, flag lockType) error {
 		defer f.ensureFhState()
 	}
 
-	if _, err := f.doLock(flag, true); err != nil {
+	if _, err := f.doLock(waitLock, flag, true); err != nil {
 		return err
 	}
 
@@ -98,7 +105,7 @@ func (f *Flock) lock(locked *bool, flag lockType) error {
 	return nil
 }
 
-func (f *Flock) doLock(lt lockType, blocking bool) (bool, error) {
+func (f *Flock) doLock(cmd cmdType, lt lockType, blocking bool) (bool, error) {
 	// POSIX locks apply per inode and process, and the lock for an inode is
 	// released when *any* descriptor for that inode is closed. So we need to
 	// synchronize access to each inode internally, and must serialize lock and
@@ -143,10 +150,13 @@ func (f *Flock) doLock(lt lockType, blocking bool) (bool, error) {
 		wait <- f
 	}
 
-	err = setlkw(f.fh.Fd(), lt)
+	err = setlkw(f.fh.Fd(), cmd, lt)
 
 	if err != nil {
 		f.doUnlock()
+		if cmd == tryLock && err == unix.EACCES {
+			return false, nil
+		}
 		return false, err
 	}
 
@@ -186,7 +196,7 @@ func (f *Flock) doUnlock() (err error) {
 	mu.Unlock()
 
 	if owner == f {
-		err = setlkw(f.fh.Fd(), unix.F_UNLCK)
+		err = setlkw(f.fh.Fd(), waitLock, unix.F_UNLCK)
 	}
 
 	mu.Lock()
@@ -246,7 +256,7 @@ func (f *Flock) try(locked *bool, flag lockType) (bool, error) {
 		defer f.ensureFhState()
 	}
 
-	haslock, err := f.doLock(flag, false)
+	haslock, err := f.doLock(tryLock, flag, false)
 	if err != nil {
 		return false, err
 	}
@@ -255,10 +265,10 @@ func (f *Flock) try(locked *bool, flag lockType) (bool, error) {
 	return haslock, nil
 }
 
-// setlkw calls FcntlFlock with F_SETLKW for the entire file indicated by fd.
+// setlkw calls FcntlFlock with cmd for the entire file indicated by fd.
-func setlkw(fd uintptr, lt lockType) error {
+func setlkw(fd uintptr, cmd cmdType, lt lockType) error {
 	for {
-		err := unix.FcntlFlock(fd, unix.F_SETLKW, &unix.Flock_t{
+		err := unix.FcntlFlock(fd, int(cmd), &unix.Flock_t{
 			Type:   int16(lt),
 			Whence: io.SeekStart,
 			Start:  0,

vendor/github.com/google/uuid/uuid.go

@@ -12,6 +12,7 @@ import (
 	"fmt"
 	"io"
 	"strings"
+	"sync"
 )
 
 // A UUID is a 128 bit (16 byte) Universal Unique IDentifier as defined in RFC
@@ -33,7 +34,15 @@ const (
 	Future                    // Reserved for future definition.
 )
 
-var rander = rand.Reader // random function
+const randPoolSize = 16 * 16
+
+var (
+	rander      = rand.Reader // random function
+	poolEnabled = false
+	poolMu      sync.Mutex
+	poolPos     = randPoolSize     // protected with poolMu
+	pool        [randPoolSize]byte // protected with poolMu
+)
 
 type invalidLengthError struct{ len int }
 
@@ -41,6 +50,12 @@ func (err invalidLengthError) Error() string {
 	return fmt.Sprintf("invalid UUID length: %d", err.len)
 }
 
+// IsInvalidLengthError is matcher function for custom error invalidLengthError
+func IsInvalidLengthError(err error) bool {
+	_, ok := err.(invalidLengthError)
+	return ok
+}
+
 // Parse decodes s into a UUID or returns an error.  Both the standard UUID
 // forms of xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx and
 // urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx are decoded as well as the
@@ -249,3 +264,31 @@ func SetRand(r io.Reader) {
 	}
 	rander = r
 }
+
+// EnableRandPool enables internal randomness pool used for Random
+// (Version 4) UUID generation. The pool contains random bytes read from
+// the random number generator on demand in batches. Enabling the pool
+// may improve the UUID generation throughput significantly.
+//
+// Since the pool is stored on the Go heap, this feature may be a bad fit
+// for security sensitive applications.
+//
+// Both EnableRandPool and DisableRandPool are not thread-safe and should
+// only be called when there is no possibility that New or any other
+// UUID Version 4 generation function will be called concurrently.
+func EnableRandPool() {
+	poolEnabled = true
+}
+
+// DisableRandPool disables the randomness pool if it was previously
+// enabled with EnableRandPool.
+//
+// Both EnableRandPool and DisableRandPool are not thread-safe and should
+// only be called when there is no possibility that New or any other
+// UUID Version 4 generation function will be called concurrently.
+func DisableRandPool() {
+	poolEnabled = false
+	defer poolMu.Unlock()
+	poolMu.Lock()
+	poolPos = randPoolSize
+}

vendor/github.com/google/uuid/version4.go

@@ -27,6 +27,8 @@ func NewString() string {
 // The strength of the UUIDs is based on the strength of the crypto/rand
 // package.
 //
+// Uses the randomness pool if it was enabled with EnableRandPool.
+//
 // A note about uniqueness derived from the UUID Wikipedia entry:
 //
 //  Randomly generated UUIDs have 122 random bits.  One's annual risk of being
@@ -35,8 +37,11 @@ func NewString() string {
 //  equivalent to the odds of creating a few tens of trillions of UUIDs in a
 //  year and having one duplicate.
 func NewRandom() (UUID, error) {
+	if !poolEnabled {
 		return NewRandomFromReader(rander)
 	}
+	return newRandomFromPool()
+}
 
 // NewRandomFromReader returns a UUID based on bytes read from a given io.Reader.
 func NewRandomFromReader(r io.Reader) (UUID, error) {
@@ -49,3 +54,23 @@ func NewRandomFromReader(r io.Reader) (UUID, error) {
 	uuid[8] = (uuid[8] & 0x3f) | 0x80 // Variant is 10
 	return uuid, nil
 }
+
+func newRandomFromPool() (UUID, error) {
+	var uuid UUID
+	poolMu.Lock()
+	if poolPos == randPoolSize {
+		_, err := io.ReadFull(rander, pool[:])
+		if err != nil {
+			poolMu.Unlock()
+			return Nil, err
+		}
+		poolPos = 0
+	}
+	copy(uuid[:], pool[poolPos:(poolPos+16)])
+	poolPos += 16
+	poolMu.Unlock()
+
+	uuid[6] = (uuid[6] & 0x0f) | 0x40 // Version 4
+	uuid[8] = (uuid[8] & 0x3f) | 0x80 // Variant is 10
+	return uuid, nil
+}

vendor/github.com/rootless-containers/rootlesskit/pkg/api/api.go

@@ -5,7 +5,7 @@ import "net"
 const (
 	// Version of the REST API, not implementation version.
 	// See openapi.yaml for the definition.
-	Version = "1.1.0"
+	Version = "1.1.1"
 )
 
 // ErrorJSON is returned with "application/json" content type and non-2XX status code
@@ -27,10 +27,13 @@ type Info struct {
 type NetworkDriverInfo struct {
 	Driver         string   `json:"driver"`
 	DNS            []net.IP `json:"dns,omitempty"`
+	ChildIP        net.IP   `json:"childIP,omitempty"`        // since API v1.1.1 (RootlessKit v0.14.1)
+	DynamicChildIP bool     `json:"dynamicChildIP,omitempty"` // since API v1.1.1
 }
 
 // PortDriverInfo in Info
 type PortDriverInfo struct {
 	Driver                  string   `json:"driver"`
 	Protos                  []string `json:"protos"`
+	DisallowLoopbackChildIP bool     `json:"disallowLoopbackChildIP,omitempty"` // since API v1.1.1
 }

vendor/github.com/rootless-containers/rootlesskit/pkg/api/openapi.yaml

@@ -1,7 +1,7 @@
 # When you made a change to this YAML, please validate with https://editor.swagger.io
 openapi: 3.0.3
 info:
-  version: 1.1.0
+  version: 1.1.1
   title: RootlessKit API
 servers:
   - url: 'http://rootlesskit/v1'
@@ -144,6 +144,13 @@ components:
           items:
             type: string
           example: ["10.0.2.3"]
+        childIP:
+          type: string
+          description: "Child IP (v4)"
+          example: "10.0.2.100"
+        dynamicChildIP:
+          type: boolean
+          description: "Child IP may change"
     PortDriverInfo:
       required:
         - driver
@@ -159,3 +166,6 @@ components:
           example: ["tcp","udp"]
           items:
             $ref: '#/components/schemas/Proto'
+        disallowLoopbackChildIP:
+          type: boolean
+          description: "If this field is set to true, loopback IP such as 127.0.0.1 cannot be specified as a child IP"

vendor/github.com/rootless-containers/rootlesskit/pkg/network/slirp4netns/slirp4netns.go

@@ -259,6 +259,8 @@ func (d *parentDriver) ConfigureNetwork(childPID int, stateDir string) (*common.
 		return &api.NetworkDriverInfo{
 			Driver:    DriverName,
 			DNS:       []net.IP{net.ParseIP(netmsg.DNS)},
+			ChildIP:        net.ParseIP(netmsg.IP),
+			DynamicChildIP: false,
 		}
 	}
 	d.infoMu.Unlock()

vendor/github.com/rootless-containers/rootlesskit/pkg/port/builtin/parent/parent.go

@@ -12,6 +12,7 @@ import (
 	"strings"
 	"sync"
 	"syscall"
+	"time"
 
 	"github.com/pkg/errors"
 
@@ -41,7 +42,7 @@ func NewDriver(logWriter io.Writer, stateDir string) (port.ParentDriver, error)
 		socketPath:         socketPath,
 		childReadyPipePath: childReadyPipePath,
 		ports:              make(map[int]*port.Status, 0),
-		stoppers:           make(map[int]func() error, 0),
+		stoppers:           make(map[int]func(context.Context) error, 0),
 		nextID:             1,
 	}
 	return &d, nil
@@ -53,7 +54,7 @@ type driver struct {
 	childReadyPipePath string
 	mu                 sync.Mutex
 	ports              map[int]*port.Status
-	stoppers           map[int]func() error
+	stoppers           map[int]func(context.Context) error
 	nextID             int
 }
 
@@ -61,6 +62,7 @@ func (d *driver) Info(ctx context.Context) (*api.PortDriverInfo, error) {
 	info := &api.PortDriverInfo{
 		Driver:                  "builtin",
 		Protos:                  []string{"tcp", "tcp4", "tcp6", "udp", "udp4", "udp6"},
+		DisallowLoopbackChildIP: false,
 	}
 	return info, nil
 }
@@ -137,16 +139,27 @@ func (d *driver) AddPort(ctx context.Context, spec port.Spec) (*port.Status, err
 	if err != nil {
 		return nil, err
 	}
+	// NOTE: routineStopCh is close-only channel. Do not send any data.
+	// See commit 4803f18fae1e39d200d98f09e445a97ccd6f5526 `Revert "port/builtin: RemovePort() block until conn is closed"`
 	routineStopCh := make(chan struct{})
-	routineStop := func() error {
+	routineStoppedCh := make(chan error)
+	routineStop := func(ctx context.Context) error {
 		close(routineStopCh)
-		return nil // FIXME
+		select {
+		case stoppedResult, stoppedResultOk := <-routineStoppedCh:
+			if stoppedResultOk {
+				return stoppedResult
+			}
+			return errors.New("routineStoppedCh was closed without sending data?")
+		case <-ctx.Done():
+			return errors.Wrap(err, "timed out while waiting for routineStoppedCh after closing routineStopCh")
+		}
 	}
 	switch spec.Proto {
 	case "tcp", "tcp4", "tcp6":
-		err = tcp.Run(d.socketPath, spec, routineStopCh, d.logWriter)
+		err = tcp.Run(d.socketPath, spec, routineStopCh, routineStoppedCh, d.logWriter)
 	case "udp", "udp4", "udp6":
-		err = udp.Run(d.socketPath, spec, routineStopCh, d.logWriter)
+		err = udp.Run(d.socketPath, spec, routineStopCh, routineStoppedCh, d.logWriter)
 	default:
 		// NOTREACHED
 		return nil, errors.New("spec was not validated?")
@@ -187,7 +200,12 @@ func (d *driver) RemovePort(ctx context.Context, id int) error {
 	if !ok {
 		return errors.Errorf("unknown id: %d", id)
 	}
-	err := stop()
+	if _, ok := ctx.Deadline(); !ok {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, 5*time.Second)
+		defer cancel()
+	}
+	err := stop(ctx)
 	delete(d.stoppers, id)
 	delete(d.ports, id)
 	return err

vendor/github.com/rootless-containers/rootlesskit/pkg/port/builtin/parent/tcp/tcp.go

@@ -12,7 +12,7 @@ import (
 	"github.com/rootless-containers/rootlesskit/pkg/port/builtin/msg"
 )
 
-func Run(socketPath string, spec port.Spec, stopCh <-chan struct{}, logWriter io.Writer) error {
+func Run(socketPath string, spec port.Spec, stopCh <-chan struct{}, stoppedCh chan error, logWriter io.Writer) error {
 	ln, err := net.Listen(spec.Proto, net.JoinHostPort(spec.ParentIP, strconv.Itoa(spec.ParentPort)))
 	if err != nil {
 		fmt.Fprintf(logWriter, "listen: %v\n", err)
@@ -31,7 +31,10 @@ func Run(socketPath string, spec port.Spec, stopCh <-chan struct{}, logWriter io
 		}
 	}()
 	go func() {
-		defer ln.Close()
+		defer func() {
+			stoppedCh <- ln.Close()
+			close(stoppedCh)
+		}()
 		for {
 			select {
 			case c, ok := <-newConns:

vendor/github.com/rootless-containers/rootlesskit/pkg/port/builtin/parent/udp/udp.go

@@ -13,7 +13,7 @@ import (
 	"github.com/rootless-containers/rootlesskit/pkg/port/builtin/parent/udp/udpproxy"
 )
 
-func Run(socketPath string, spec port.Spec, stopCh <-chan struct{}, logWriter io.Writer) error {
+func Run(socketPath string, spec port.Spec, stopCh <-chan struct{}, stoppedCh chan error, logWriter io.Writer) error {
 	addr, err := net.ResolveUDPAddr(spec.Proto, net.JoinHostPort(spec.ParentIP, strconv.Itoa(spec.ParentPort)))
 	if err != nil {
 		return err
@@ -51,6 +51,8 @@ func Run(socketPath string, spec port.Spec, stopCh <-chan struct{}, logWriter io
 			case <-stopCh:
 				// udpp.Close closes ln as well
 				udpp.Close()
+				stoppedCh <- nil
+				close(stoppedCh)
 				return
 			}
 		}

vendor/github.com/rootless-containers/rootlesskit/pkg/version/version.go

@@ -1,3 +1,3 @@
 package version
 
-const Version = "0.14.0"
+const Version = "0.14.5"

vendor/modules.txt

@@ -540,7 +540,7 @@ github.com/go-openapi/swag
 github.com/go-sql-driver/mysql
 # github.com/godbus/dbus/v5 v5.0.4
 github.com/godbus/dbus/v5
-# github.com/gofrs/flock v0.8.0
+# github.com/gofrs/flock v0.8.1
 github.com/gofrs/flock
 # github.com/gofrs/uuid v4.0.0+incompatible
 github.com/gofrs/uuid
@@ -631,7 +631,7 @@ github.com/google/go-containerregistry/pkg/name
 github.com/google/gofuzz
 # github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 github.com/google/shlex
-# github.com/google/uuid v1.2.0
+# github.com/google/uuid v1.3.0
 ## explicit
 github.com/google/uuid
 # github.com/googleapis/gax-go/v2 v2.0.5
@@ -1003,7 +1003,7 @@ github.com/rancher/wrangler/pkg/yaml
 # github.com/robfig/cron/v3 v3.0.1
 ## explicit
 github.com/robfig/cron/v3
-# github.com/rootless-containers/rootlesskit v0.14.0
+# github.com/rootless-containers/rootlesskit v0.14.5
 ## explicit
 github.com/rootless-containers/rootlesskit/pkg/api
 github.com/rootless-containers/rootlesskit/pkg/api/client