Merge pull request #8821 from rhatdan/caps

Containers should not get inheritable caps by default

libpod/container_exec.go

@@ -8,7 +8,6 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/containers/common/pkg/capabilities"
 	"github.com/containers/podman/v2/libpod/define"
 	"github.com/containers/podman/v2/libpod/events"
 	"github.com/containers/storage/pkg/stringid"
@@ -973,20 +972,12 @@ func (c *Container) removeAllExecSessions() error {
 // Make an ExecOptions struct to start the OCI runtime and prepare its exec
 // bundle.
 func prepareForExec(c *Container, session *ExecSession) (*ExecOptions, error) {
-	// TODO: check logic here - should we set Privileged if the container is
-	// privileged?
-	var capList []string
-	if session.Config.Privileged || c.config.Privileged {
-		capList = capabilities.AllCapabilities()
-	}
-
 	if err := c.createExecBundle(session.ID()); err != nil {
 		return nil, err
 	}
 
 	opts := new(ExecOptions)
 	opts.Cmd = session.Config.Command
-	opts.CapAdd = capList
 	opts.Env = session.Config.Environment
 	opts.Terminal = session.Config.Terminal
 	opts.Cwd = session.Config.WorkDir
@@ -995,6 +986,7 @@ func prepareForExec(c *Container, session *ExecSession) (*ExecOptions, error) {
 	opts.DetachKeys = session.Config.DetachKeys
 	opts.ExitCommand = session.Config.ExitCommand
 	opts.ExitCommandDelay = session.Config.ExitCommandDelay
+	opts.Privileged = session.Config.Privileged
 
 	return opts, nil
 }

libpod/oci.go

@@ -151,8 +151,6 @@ type OCIRuntime interface {
 type ExecOptions struct {
 	// Cmd is the command to execute.
 	Cmd []string
-	// CapAdd is a set of capabilities to add to the executed command.
-	CapAdd []string
 	// Env is a set of environment variables to add to the container.
 	Env map[string]string
 	// Terminal is whether to create a new TTY for the exec session.
@@ -181,6 +179,8 @@ type ExecOptions struct {
 	// ExitCommandDelay is a delay (in seconds) between the exec session
 	// exiting, and the exit command being invoked.
 	ExitCommandDelay uint
+	// Privileged indicates the execed process will be launched in Privileged mode
+	Privileged bool
 }
 
 // HTTPAttachStreams informs the HTTPAttach endpoint which of the container's

libpod/oci_conmon_exec_linux.go

@@ -398,10 +398,6 @@ func (r *ConmonOCIRuntime) startExec(c *Container, sessionID string, options *Ex
 		args = append(args, formatRuntimeOpts("--preserve-fds", fmt.Sprintf("%d", options.PreserveFDs))...)
 	}
 
-	for _, capability := range options.CapAdd {
-		args = append(args, formatRuntimeOpts("--cap", capability)...)
-	}
-
 	if options.Terminal {
 		args = append(args, "-t")
 	}

libpod/oci_conmon_linux.go

@@ -22,6 +22,7 @@ import (
 	"text/template"
 	"time"
 
+	"github.com/containers/common/pkg/capabilities"
 	"github.com/containers/common/pkg/config"
 	conmonConfig "github.com/containers/conmon/runner/config"
 	"github.com/containers/podman/v2/libpod/define"
@@ -1201,13 +1202,7 @@ func prepareProcessExec(c *Container, options *ExecOptions, env []string, sessio
 	}
 	pspec.SelinuxLabel = c.config.ProcessLabel
 	pspec.Args = options.Cmd
-	for _, cap := range options.CapAdd {
-		pspec.Capabilities.Bounding = append(pspec.Capabilities.Bounding, cap)
-		pspec.Capabilities.Effective = append(pspec.Capabilities.Effective, cap)
-		pspec.Capabilities.Inheritable = append(pspec.Capabilities.Inheritable, cap)
-		pspec.Capabilities.Permitted = append(pspec.Capabilities.Permitted, cap)
-		pspec.Capabilities.Ambient = append(pspec.Capabilities.Ambient, cap)
-	}
+
 	// We need to default this to false else it will inherit terminal as true
 	// from the container.
 	pspec.Terminal = false
@@ -1263,6 +1258,31 @@ func prepareProcessExec(c *Container, options *ExecOptions, env []string, sessio
 		pspec.User = processUser
 	}
 
+	ctrSpec, err := c.specFromState()
+	if err != nil {
+		return nil, err
+	}
+
+	allCaps := capabilities.AllCapabilities()
+	if options.Privileged {
+		pspec.Capabilities.Bounding = allCaps
+	} else {
+		pspec.Capabilities.Bounding = ctrSpec.Process.Capabilities.Bounding
+	}
+	if execUser.Uid == 0 {
+		pspec.Capabilities.Effective = pspec.Capabilities.Bounding
+		pspec.Capabilities.Inheritable = pspec.Capabilities.Bounding
+		pspec.Capabilities.Permitted = pspec.Capabilities.Bounding
+		pspec.Capabilities.Ambient = pspec.Capabilities.Bounding
+	} else {
+		if user == c.config.User {
+			pspec.Capabilities.Effective = ctrSpec.Process.Capabilities.Effective
+			pspec.Capabilities.Inheritable = ctrSpec.Process.Capabilities.Effective
+			pspec.Capabilities.Permitted = ctrSpec.Process.Capabilities.Effective
+			pspec.Capabilities.Ambient = ctrSpec.Process.Capabilities.Effective
+		}
+	}
+
 	hasHomeSet := false
 	for _, s := range pspec.Env {
 		if strings.HasPrefix(s, "HOME=") {

pkg/specgen/generate/security.go

@@ -133,13 +133,13 @@ func securityConfigureGenerator(s *specgen.SpecGenerator, g *generate.Generator,
 	configSpec := g.Config
 	configSpec.Process.Capabilities.Ambient = []string{}
 	configSpec.Process.Capabilities.Bounding = caplist
-	configSpec.Process.Capabilities.Inheritable = caplist
 
 	user := strings.Split(s.User, ":")[0]
 
 	if (user == "" && s.UserNS.NSMode != specgen.KeepID) || user == "root" || user == "0" {
 		configSpec.Process.Capabilities.Effective = caplist
 		configSpec.Process.Capabilities.Permitted = caplist
+		configSpec.Process.Capabilities.Inheritable = caplist
 	} else {
 		userCaps, err := capabilities.MergeCapabilities(nil, s.CapAdd, nil)
 		if err != nil {
@@ -147,6 +147,7 @@ func securityConfigureGenerator(s *specgen.SpecGenerator, g *generate.Generator,
 		}
 		configSpec.Process.Capabilities.Effective = userCaps
 		configSpec.Process.Capabilities.Permitted = userCaps
+		configSpec.Process.Capabilities.Inheritable = userCaps
 
 		// Ambient capabilities were added to Linux 4.3.  Set ambient
 		// capabilities only when the kernel supports them.

test/e2e/common_test.go

@@ -378,10 +378,17 @@ func GetRandomIPAddress() string {
 // RunTopContainer runs a simple container in the background that
 // runs top.  If the name passed != "", it will have a name
 func (p *PodmanTestIntegration) RunTopContainer(name string) *PodmanSessionIntegration {
+	return p.RunTopContainerWithArgs(name, nil)
+}
+
+// RunTopContainerWithArgs runs a simple container in the background that
+// runs top.  If the name passed != "", it will have a name, command args can also be passed in
+func (p *PodmanTestIntegration) RunTopContainerWithArgs(name string, args []string) *PodmanSessionIntegration {
 	var podmanArgs = []string{"run"}
 	if name != "" {
 		podmanArgs = append(podmanArgs, "--name", name)
 	}
+	podmanArgs = append(podmanArgs, args...)
 	podmanArgs = append(podmanArgs, "-d", ALPINE, "top")
 	return p.Podman(podmanArgs)
 }
@@ -538,12 +545,7 @@ func (p *PodmanTestIntegration) CreatePodWithLabels(name string, labels map[stri
 }
 
 func (p *PodmanTestIntegration) RunTopContainerInPod(name, pod string) *PodmanSessionIntegration {
-	var podmanArgs = []string{"run", "--pod", pod}
-	if name != "" {
-		podmanArgs = append(podmanArgs, "--name", name)
-	}
-	podmanArgs = append(podmanArgs, "-d", ALPINE, "top")
-	return p.Podman(podmanArgs)
+	return p.RunTopContainerWithArgs(name, []string{"--pod", pod})
 }
 
 func (p *PodmanTestIntegration) RunHealthCheck(cid string) error {

test/e2e/exec_test.go

@@ -120,18 +120,200 @@ var _ = Describe("Podman exec", func() {
 	})
 
 	It("podman exec --privileged", func() {
-		hostCap := SystemExec("awk", []string{"/^CapEff/ { print $2 }", "/proc/self/status"})
-		Expect(hostCap.ExitCode()).To(Equal(0))
+		session := podmanTest.Podman([]string{"run", "--privileged", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		bndPerms := session.OutputToString()
+
+		session = podmanTest.Podman([]string{"run", "--privileged", "--rm", ALPINE, "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		effPerms := session.OutputToString()
 
 		setup := podmanTest.RunTopContainer("test-privileged")
 		setup.WaitWithDefaultTimeout()
 		Expect(setup.ExitCode()).To(Equal(0))
 
-		session := podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(effPerms))
 
-		containerCapMatchesHost(session.OutputToString(), hostCap.OutputToString())
+		session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
+
+	})
+
+	It("podman exec --privileged", func() {
+		session := podmanTest.Podman([]string{"run", "--privileged", "--user=bin", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		bndPerms := session.OutputToString()
+
+		session = podmanTest.Podman([]string{"run", "--privileged", "--user=bin", "--rm", ALPINE, "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		effPerms := session.OutputToString()
+
+		setup := podmanTest.RunTopContainer("test-privileged")
+		setup.WaitWithDefaultTimeout()
+		Expect(setup.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(effPerms))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
+
+	})
+
+	It("podman exec --privileged", func() {
+		session := podmanTest.Podman([]string{"run", "--privileged", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		bndPerms := session.OutputToString()
+
+		setup := podmanTest.RunTopContainer("test-privileged")
+		setup.WaitWithDefaultTimeout()
+		Expect(setup.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring("00000000"))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
+	})
+
+	It("podman exec --privileged container not running as root", func() {
+		session := podmanTest.Podman([]string{"run", "--privileged", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		bndPerms := session.OutputToString()
+
+		setup := podmanTest.RunTopContainerWithArgs("test-privileged", []string{"--user=bin"})
+		setup.WaitWithDefaultTimeout()
+		Expect(setup.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring("00000000"))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring("00000000"))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "--user=root", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "--user=bin", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
+	})
+
+	It("podman exec with user with cap-add", func() {
+		capAdd := "--cap-add=net_bind_service"
+		session := podmanTest.Podman([]string{"run", "--user=bin", capAdd, "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		bndPerms := session.OutputToString()
+
+		session = podmanTest.Podman([]string{"run", "--user=bin", capAdd, "--rm", ALPINE, "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		effPerms := session.OutputToString()
+
+		setup := podmanTest.RunTopContainerWithArgs("test-privileged", []string{"--user=bin", capAdd})
+		setup.WaitWithDefaultTimeout()
+		Expect(setup.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
+
+		session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(effPerms))
+	})
+
+	It("podman exec with user with and cap-drop cap-add", func() {
+		capAdd := "--cap-add=net_bind_service"
+		capDrop := "--cap-drop=all"
+		session := podmanTest.Podman([]string{"run", "--user=bin", capDrop, capAdd, "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		bndPerms := session.OutputToString()
+
+		session = podmanTest.Podman([]string{"run", "--user=bin", capDrop, capAdd, "--rm", ALPINE, "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		effPerms := session.OutputToString()
+
+		setup := podmanTest.RunTopContainerWithArgs("test-privileged", []string{"--user=bin", capDrop, capAdd})
+		setup.WaitWithDefaultTimeout()
+		Expect(setup.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(bndPerms))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapInh /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(effPerms))
+
+		session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(effPerms))
+
+		session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapPrm /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(effPerms))
+
+		session = podmanTest.Podman([]string{"exec", "test-privileged", "sh", "-c", "grep ^CapAmb /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(effPerms))
+	})
+
+	It("podman exec --privileged with user", func() {
+		session := podmanTest.Podman([]string{"run", "--privileged", "--user=bin", "--rm", ALPINE, "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		bindPerms := session.OutputToString()
+
+		setup := podmanTest.RunTopContainerWithArgs("test-privileged", []string{"--privileged", "--user=bin"})
+		setup.WaitWithDefaultTimeout()
+		Expect(setup.ExitCode()).To(Equal(0))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapBnd /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring(bindPerms))
+
+		session = podmanTest.Podman([]string{"exec", "--privileged", "test-privileged", "sh", "-c", "grep ^CapEff /proc/self/status | cut -f 2"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring("0000000000000000"))
 	})
 
 	It("podman exec terminal doesn't hang", func() {

test/e2e/run_test.go

@@ -342,6 +342,11 @@ var _ = Describe("Podman run", func() {
 		Expect(session.ExitCode()).To(Equal(0))
 		Expect(session.OutputToString()).To(ContainSubstring("0000000000000000"))
 
+		session = podmanTest.Podman([]string{"run", "--rm", "--user", "bin", ALPINE, "grep", "CapInh", "/proc/self/status"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring("0000000000000000"))
+
 		session = podmanTest.Podman([]string{"run", "--rm", "--user", "root", ALPINE, "grep", "CapBnd", "/proc/self/status"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
@@ -352,6 +357,11 @@ var _ = Describe("Podman run", func() {
 		Expect(session.ExitCode()).To(Equal(0))
 		Expect(session.OutputToString()).To(ContainSubstring("00000000a80425fb"))
 
+		session = podmanTest.Podman([]string{"run", "--rm", "--user", "root", ALPINE, "grep", "CapInh", "/proc/self/status"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring("00000000a80425fb"))
+
 		session = podmanTest.Podman([]string{"run", "--rm", ALPINE, "grep", "CapBnd", "/proc/self/status"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
@@ -367,10 +377,10 @@ var _ = Describe("Podman run", func() {
 		Expect(session.ExitCode()).To(Equal(0))
 		Expect(session.OutputToString()).To(ContainSubstring("0000000000000002"))
 
-		session = podmanTest.Podman([]string{"run", "--user=1000:1000", "--rm", ALPINE, "grep", "CapAmb", "/proc/self/status"})
+		session = podmanTest.Podman([]string{"run", "--user=1000:1000", "--cap-add=DAC_OVERRIDE", "--rm", ALPINE, "grep", "CapInh", "/proc/self/status"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
-		Expect(session.OutputToString()).To(ContainSubstring("0000000000000000"))
+		Expect(session.OutputToString()).To(ContainSubstring("0000000000000002"))
 
 		session = podmanTest.Podman([]string{"run", "--user=0", "--cap-add=DAC_OVERRIDE", "--rm", ALPINE, "grep", "CapAmb", "/proc/self/status"})
 		session.WaitWithDefaultTimeout()
@@ -382,6 +392,11 @@ var _ = Describe("Podman run", func() {
 		Expect(session.ExitCode()).To(Equal(0))
 		Expect(session.OutputToString()).To(ContainSubstring("0000000000000000"))
 
+		session = podmanTest.Podman([]string{"run", "--user=0:0", "--cap-add=DAC_OVERRIDE", "--rm", ALPINE, "grep", "CapInh", "/proc/self/status"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+		Expect(session.OutputToString()).To(ContainSubstring("00000000a80425fb"))
+
 		if os.Geteuid() > 0 {
 			if os.Getenv("SKIP_USERNS") != "" {
 				Skip("Skip userns tests.")
@@ -393,6 +408,16 @@ var _ = Describe("Podman run", func() {
 			session.WaitWithDefaultTimeout()
 			Expect(session.ExitCode()).To(Equal(0))
 			Expect(session.OutputToString()).To(ContainSubstring("0000000000000002"))
+
+			session = podmanTest.Podman([]string{"run", "--userns=keep-id", "--privileged", "--rm", ALPINE, "grep", "CapInh", "/proc/self/status"})
+			session.WaitWithDefaultTimeout()
+			Expect(session.ExitCode()).To(Equal(0))
+			Expect(session.OutputToString()).To(ContainSubstring("0000000000000000"))
+
+			session = podmanTest.Podman([]string{"run", "--userns=keep-id", "--cap-add=DAC_OVERRIDE", "--rm", ALPINE, "grep", "CapInh", "/proc/self/status"})
+			session.WaitWithDefaultTimeout()
+			Expect(session.ExitCode()).To(Equal(0))
+			Expect(session.OutputToString()).To(ContainSubstring("0000000000000002"))
 		}
 	})