@@ -96,7 +96,6 @@ RUN /download-frozen-image-v2.sh /build \

         buildpack-deps:buster@sha256:d0abb4b1e5c664828b93e8b6ac84d10bce45ee469999bef88304be04a2709491 \

         busybox:latest@sha256:95cf004f559831017cdf4628aaf1bb30133677be8702a8c5f2994629f637a209 \

         busybox:glibc@sha256:1f81263701cddf6402afe9f33fca0266d9fff379e59b1748f33d3072da71ee85 \

-        debian:buster@sha256:46d659005ca1151087efa997f1039ae45a7bf7a2cbbe2d17d3dcbda632a3ee9a \

         debian:bullseye@sha256:7190e972ab16aefea4d758ebe42a293f4e5c5be63595f4d03a5b9bf6839a4344 \

         hello-world:latest@sha256:d58e752213a51785838f9eed2b7a498ffa1cb3aa7f946dda11af39286c3db9a9 \

         arm32v7/hello-world:latest@sha256:50b8560ad574c779908da71f7ce370c0a2471c098d44d1c8f6b513c5a55eeeb1

@@ -21,9 +21,9 @@ RUN /download-frozen-image-v2.sh /build \

 	buildpack-deps:buster@sha256:d0abb4b1e5c664828b93e8b6ac84d10bce45ee469999bef88304be04a2709491 \

 	busybox:latest@sha256:95cf004f559831017cdf4628aaf1bb30133677be8702a8c5f2994629f637a209 \

 	busybox:glibc@sha256:1f81263701cddf6402afe9f33fca0266d9fff379e59b1748f33d3072da71ee85 \

-	debian:buster@sha256:46d659005ca1151087efa997f1039ae45a7bf7a2cbbe2d17d3dcbda632a3ee9a \

+	debian:bullseye@sha256:7190e972ab16aefea4d758ebe42a293f4e5c5be63595f4d03a5b9bf6839a4344 \

 	hello-world:latest@sha256:d58e752213a51785838f9eed2b7a498ffa1cb3aa7f946dda11af39286c3db9a9

-# See also ensureFrozenImagesLinux() in "integration-cli/fixtures_linux_daemon_test.go" (which needs to be updated when adding images to this list)

+# See also frozenImages in "testutil/environment/protect.go" (which needs to be updated when adding images to this list)

 FROM base AS dockercli

 ENV INSTALL_BINARY_NAME=dockercli

@@ -1776,7 +1776,7 @@ func (s *DockerDaemonSuite) TestDaemonNoSpaceLeftOnDeviceError(c *testing.T) {

 	defer mount.Unmount(testDir)

 	// create a 3MiB image (with a 2MiB ext4 fs) and mount it as graph root

-	// Why in a container? Because `mount` sometimes behaves weirdly and often fails outright on this test in debian:buster (which is what the test suite runs under if run from the Makefile)

+	// Why in a container? Because `mount` sometimes behaves weirdly and often fails outright on this test in debian:bullseye (which is what the test suite runs under if run from the Makefile)

 	dockerCmd(c, "run", "--rm", "-v", testDir+":/test", "busybox", "sh", "-c", "dd of=/test/testfs.img bs=1M seek=3 count=0")

 	icmd.RunCommand("mkfs.ext4", "-F", filepath.Join(testDir, "testfs.img")).Assert(c, icmd.Success)

@@ -1787,7 +1787,7 @@ func (s *DockerDaemonSuite) TestDaemonNoSpaceLeftOnDeviceError(c *testing.T) {

 	defer s.d.Stop(c)

 	// pull a repository large enough to overfill the mounted filesystem

-	pullOut, err := s.d.Cmd("pull", "debian:buster")

+	pullOut, err := s.d.Cmd("pull", "debian:bullseye")

 	assert.Assert(c, err != nil, pullOut)

 	assert.Assert(c, strings.Contains(pullOut, "no space left on device"))

 }

@@ -1574,7 +1574,7 @@ func (s *DockerSuite) TestEmbeddedDNSInvalidInput(c *testing.T) {

 	dockerCmd(c, "network", "create", "-d", "bridge", "nw1")

 	// Sending garbage to embedded DNS shouldn't crash the daemon

-	dockerCmd(c, "run", "-i", "--net=nw1", "--name=c1", "debian:buster", "bash", "-c", "echo InvalidQuery > /dev/udp/127.0.0.11/53")

+	dockerCmd(c, "run", "-i", "--net=nw1", "--name=c1", "debian:bullseye", "bash", "-c", "echo InvalidQuery > /dev/udp/127.0.0.11/53")

 }

 func (s *DockerSuite) TestDockerNetworkConnectFailsNoInspectChange(c *testing.T) {

@@ -2927,7 +2927,7 @@ func (s *DockerSuite) TestRunUnshareProc(c *testing.T) {

 	go func() {

 		name := "acidburn"

-		out, _, err := dockerCmdWithError("run", "--name", name, "--security-opt", "seccomp=unconfined", "debian:buster", "unshare", "-p", "-m", "-f", "-r", "--mount-proc=/proc", "mount")

+		out, _, err := dockerCmdWithError("run", "--name", name, "--security-opt", "seccomp=unconfined", "debian:bullseye", "unshare", "-p", "-m", "-f", "-r", "--mount-proc=/proc", "mount")

 		if err == nil ||

 			!(strings.Contains(strings.ToLower(out), "permission denied") ||

 				strings.Contains(strings.ToLower(out), "operation not permitted")) {

@@ -2939,7 +2939,7 @@ func (s *DockerSuite) TestRunUnshareProc(c *testing.T) {

 	go func() {

 		name := "cereal"

-		out, _, err := dockerCmdWithError("run", "--name", name, "--security-opt", "seccomp=unconfined", "debian:buster", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc")

+		out, _, err := dockerCmdWithError("run", "--name", name, "--security-opt", "seccomp=unconfined", "debian:bullseye", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc")

 		if err == nil ||

 			!(strings.Contains(strings.ToLower(out), "mount: cannot mount none") ||

 				strings.Contains(strings.ToLower(out), "permission denied") ||

@@ -2953,7 +2953,7 @@ func (s *DockerSuite) TestRunUnshareProc(c *testing.T) {

 	/* Ensure still fails if running privileged with the default policy */

 	go func() {

 		name := "crashoverride"

-		out, _, err := dockerCmdWithError("run", "--privileged", "--security-opt", "seccomp=unconfined", "--security-opt", "apparmor=docker-default", "--name", name, "debian:buster", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc")

+		out, _, err := dockerCmdWithError("run", "--privileged", "--security-opt", "seccomp=unconfined", "--security-opt", "apparmor=docker-default", "--name", name, "debian:bullseye", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc")

 		if err == nil ||

 			!(strings.Contains(strings.ToLower(out), "mount: cannot mount none") ||

 				strings.Contains(strings.ToLower(out), "permission denied") ||

@@ -873,12 +873,12 @@ func (s *DockerSuite) TestRunTmpfsMountsWithOptions(c *testing.T) {

 		assert.Assert(c, strings.Contains(out, option))

 	}

-	// We use debian:buster as there is no findmnt in busybox. Also the output will be in the format of

+	// We use debian:bullseye as there is no findmnt in busybox. Also the output will be in the format of

 	// TARGET PROPAGATION

 	// /tmp   shared

 	// so we only capture `shared` here.

 	expectedOptions = []string{"shared"}

-	out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:shared", "debian:buster", "findmnt", "-o", "TARGET,PROPAGATION", "/tmp")

+	out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:shared", "debian:bullseye", "findmnt", "-o", "TARGET,PROPAGATION", "/tmp")

 	for _, option := range expectedOptions {

 		assert.Assert(c, strings.Contains(out, option))

 	}

@@ -914,7 +914,7 @@ func (s *DockerSuite) TestRunSysctls(c *testing.T) {

 	})

 }

-// TestRunSeccompProfileDenyUnshare checks that 'docker run --security-opt seccomp=/tmp/profile.json debian:buster unshare' exits with operation not permitted.

+// TestRunSeccompProfileDenyUnshare checks that 'docker run --security-opt seccomp=/tmp/profile.json debian:bullseye unshare' exits with operation not permitted.

 func (s *DockerSuite) TestRunSeccompProfileDenyUnshare(c *testing.T) {

 	testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, NotArm, Apparmor)

 	jsonData := `{

@@ -937,7 +937,7 @@ func (s *DockerSuite) TestRunSeccompProfileDenyUnshare(c *testing.T) {

 	}

 	icmd.RunCommand(dockerBinary, "run", "--security-opt", "apparmor=unconfined",

 		"--security-opt", "seccomp="+tmpFile.Name(),

-		"debian:buster", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc").Assert(c, icmd.Expected{

+		"debian:bullseye", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc").Assert(c, icmd.Expected{

 		ExitCode: 1,

 		Err:      "Operation not permitted",

 	})

@@ -977,7 +977,7 @@ func (s *DockerSuite) TestRunSeccompProfileDenyChmod(c *testing.T) {

 	})

 }

-// TestRunSeccompProfileDenyUnshareUserns checks that 'docker run debian:buster unshare --map-root-user --user sh -c whoami' with a specific profile to

+// TestRunSeccompProfileDenyUnshareUserns checks that 'docker run debian:bullseye unshare --map-root-user --user sh -c whoami' with a specific profile to

 // deny unshare of a userns exits with operation not permitted.

 func (s *DockerSuite) TestRunSeccompProfileDenyUnshareUserns(c *testing.T) {

 	testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, NotArm, Apparmor)

@@ -1009,7 +1009,7 @@ func (s *DockerSuite) TestRunSeccompProfileDenyUnshareUserns(c *testing.T) {

 	}

 	icmd.RunCommand(dockerBinary, "run",

 		"--security-opt", "apparmor=unconfined", "--security-opt", "seccomp="+tmpFile.Name(),

-		"debian:buster", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami").Assert(c, icmd.Expected{

+		"debian:bullseye", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami").Assert(c, icmd.Expected{

 		ExitCode: 1,

 		Err:      "Operation not permitted",

 	})

@@ -1061,12 +1061,12 @@ func (s *DockerSuite) TestRunSeccompProfileAllow32Bit(c *testing.T) {

 	icmd.RunCommand(dockerBinary, "run", "syscall-test", "exit32-test").Assert(c, icmd.Success)

 }

-// TestRunSeccompAllowSetrlimit checks that 'docker run debian:buster ulimit -v 1048510' succeeds.

+// TestRunSeccompAllowSetrlimit checks that 'docker run debian:bullseye ulimit -v 1048510' succeeds.

 func (s *DockerSuite) TestRunSeccompAllowSetrlimit(c *testing.T) {

 	testRequires(c, testEnv.IsLocalDaemon, seccompEnabled)

 	// ulimit uses setrlimit, so we want to make sure we don't break it

-	icmd.RunCommand(dockerBinary, "run", "debian:buster", "bash", "-c", "ulimit -v 1048510").Assert(c, icmd.Success)

+	icmd.RunCommand(dockerBinary, "run", "debian:bullseye", "bash", "-c", "ulimit -v 1048510").Assert(c, icmd.Success)

 }

 func (s *DockerSuite) TestRunSeccompDefaultProfileAcct(c *testing.T) {

@@ -1362,7 +1362,7 @@ func (s *DockerSuite) TestRunApparmorProcDirectory(c *testing.T) {

 func (s *DockerSuite) TestRunSeccompWithDefaultProfile(c *testing.T) {

 	testRequires(c, testEnv.IsLocalDaemon, seccompEnabled)

-	out, _, err := dockerCmdWithError("run", "--security-opt", "seccomp=../profiles/seccomp/default.json", "debian:buster", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami")

+	out, _, err := dockerCmdWithError("run", "--security-opt", "seccomp=../profiles/seccomp/default.json", "debian:bullseye", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami")

 	assert.ErrorContains(c, err, "", out)

 	assert.Equal(c, strings.TrimSpace(out), "unshare: unshare failed: Operation not permitted")

 }

@@ -49,7 +49,7 @@ func ensureSyscallTest(c *testing.T) {

 	dockerFile := filepath.Join(tmp, "Dockerfile")

 	content := []byte(`

-	FROM debian:buster

+	FROM debian:bullseye

 	COPY . /usr/bin/

 	`)

 	err = ioutil.WriteFile(dockerFile, content, 0600)

@@ -103,7 +103,7 @@ func ensureNNPTest(c *testing.T) {

 	dockerfile := filepath.Join(tmp, "Dockerfile")

 	content := `

-	FROM debian:buster

+	FROM debian:bullseye

 	COPY . /usr/bin

 	RUN chmod +s /usr/bin/nnp-test

 	`

@@ -10,7 +10,7 @@ import (

 	"gotest.tools/v3/assert"

 )

-var frozenImages = []string{"busybox:latest", "busybox:glibc", "hello-world:frozen", "debian:buster", "debian:bullseye"}

+var frozenImages = []string{"busybox:latest", "busybox:glibc", "hello-world:frozen", "debian:bullseye"}

 type protectedElements struct {

 	containers map[string]struct{}