github.com/docker/engine@v22.0.0-20211208180946-d456264580cf+incompatible/integration-cli/docker_cli_run_unix_test.go (about) 1 //go:build !windows 2 // +build !windows 3 4 package main 5 6 import ( 7 "bufio" 8 "context" 9 "encoding/json" 10 "fmt" 11 "os" 12 "os/exec" 13 "path/filepath" 14 "regexp" 15 "strconv" 16 "strings" 17 "syscall" 18 "testing" 19 "time" 20 21 "github.com/creack/pty" 22 "github.com/docker/docker/client" 23 "github.com/docker/docker/integration-cli/cli" 24 "github.com/docker/docker/integration-cli/cli/build" 25 "github.com/docker/docker/pkg/homedir" 26 "github.com/docker/docker/pkg/parsers" 27 "github.com/docker/docker/pkg/sysinfo" 28 "github.com/moby/sys/mount" 29 "gotest.tools/v3/assert" 30 "gotest.tools/v3/icmd" 31 ) 32 33 // #6509 34 func (s *DockerSuite) TestRunRedirectStdout(c *testing.T) { 35 checkRedirect := func(command string) { 36 _, tty, err := pty.Open() 37 assert.Assert(c, err == nil, "Could not open pty") 38 cmd := exec.Command("sh", "-c", command) 39 cmd.Stdin = tty 40 cmd.Stdout = tty 41 cmd.Stderr = tty 42 assert.NilError(c, cmd.Start()) 43 ch := make(chan error, 1) 44 go func() { 45 ch <- cmd.Wait() 46 close(ch) 47 }() 48 49 select { 50 case <-time.After(10 * time.Second): 51 c.Fatal("command timeout") 52 case err := <-ch: 53 assert.Assert(c, err == nil, "wait err") 54 } 55 } 56 57 checkRedirect(dockerBinary + " run -i busybox cat /etc/passwd | grep -q root") 58 checkRedirect(dockerBinary + " run busybox cat /etc/passwd | grep -q root") 59 } 60 61 // Test recursive bind mount works by default 62 func (s *DockerSuite) TestRunWithVolumesIsRecursive(c *testing.T) { 63 // /tmp gets permission denied 64 testRequires(c, NotUserNamespace, testEnv.IsLocalDaemon) 65 tmpDir, err := os.MkdirTemp("", "docker_recursive_mount_test") 66 assert.NilError(c, err) 67 68 defer os.RemoveAll(tmpDir) 69 70 // Create a temporary tmpfs mount. 71 tmpfsDir := filepath.Join(tmpDir, "tmpfs") 72 assert.Assert(c, os.MkdirAll(tmpfsDir, 0777) == nil, "failed to mkdir at %s", tmpfsDir) 73 assert.Assert(c, mount.Mount("tmpfs", tmpfsDir, "tmpfs", "") == nil, "failed to create a tmpfs mount at %s", tmpfsDir) 74 75 f, err := os.CreateTemp(tmpfsDir, "touch-me") 76 assert.NilError(c, err) 77 defer f.Close() 78 79 out, _ := dockerCmd(c, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs") 80 assert.Assert(c, strings.Contains(out, filepath.Base(f.Name())), "Recursive bind mount test failed. Expected file not found") 81 } 82 83 func (s *DockerSuite) TestRunDeviceDirectory(c *testing.T) { 84 testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm) 85 if _, err := os.Stat("/dev/snd"); err != nil { 86 c.Skip("Host does not have /dev/snd") 87 } 88 89 out, _ := dockerCmd(c, "run", "--device", "/dev/snd:/dev/snd", "busybox", "sh", "-c", "ls /dev/snd/") 90 assert.Assert(c, strings.Contains(strings.Trim(out, "\r\n"), "timer"), "expected output /dev/snd/timer") 91 out, _ = dockerCmd(c, "run", "--device", "/dev/snd:/dev/othersnd", "busybox", "sh", "-c", "ls /dev/othersnd/") 92 assert.Assert(c, strings.Contains(strings.Trim(out, "\r\n"), "seq"), "expected output /dev/othersnd/seq") 93 } 94 95 // TestRunAttachDetach checks attaching and detaching with the default escape sequence. 96 func (s *DockerSuite) TestRunAttachDetach(c *testing.T) { 97 name := "attach-detach" 98 99 dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") 100 101 cmd := exec.Command(dockerBinary, "attach", name) 102 stdout, err := cmd.StdoutPipe() 103 assert.NilError(c, err) 104 cpty, tty, err := pty.Open() 105 assert.NilError(c, err) 106 defer cpty.Close() 107 cmd.Stdin = tty 108 assert.NilError(c, cmd.Start()) 109 assert.Assert(c, waitRun(name) == nil) 110 111 _, err = cpty.Write([]byte("hello\n")) 112 assert.NilError(c, err) 113 114 out, err := bufio.NewReader(stdout).ReadString('\n') 115 assert.NilError(c, err) 116 assert.Equal(c, strings.TrimSpace(out), "hello") 117 118 // escape sequence 119 _, err = cpty.Write([]byte{16}) 120 assert.NilError(c, err) 121 time.Sleep(100 * time.Millisecond) 122 _, err = cpty.Write([]byte{17}) 123 assert.NilError(c, err) 124 125 ch := make(chan struct{}, 1) 126 go func() { 127 cmd.Wait() 128 ch <- struct{}{} 129 }() 130 131 select { 132 case <-ch: 133 case <-time.After(10 * time.Second): 134 c.Fatal("timed out waiting for container to exit") 135 } 136 137 running := inspectField(c, name, "State.Running") 138 assert.Equal(c, running, "true", "expected container to still be running") 139 140 out, _ = dockerCmd(c, "events", "--since=0", "--until", daemonUnixTime(c), "-f", "container="+name) 141 // attach and detach event should be monitored 142 assert.Assert(c, strings.Contains(out, "attach")) 143 assert.Assert(c, strings.Contains(out, "detach")) 144 } 145 146 // TestRunAttachDetachFromFlag checks attaching and detaching with the escape sequence specified via flags. 147 func (s *DockerSuite) TestRunAttachDetachFromFlag(c *testing.T) { 148 name := "attach-detach" 149 keyCtrlA := []byte{1} 150 keyA := []byte{97} 151 152 dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") 153 154 cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-a,a", name) 155 stdout, err := cmd.StdoutPipe() 156 if err != nil { 157 c.Fatal(err) 158 } 159 cpty, tty, err := pty.Open() 160 if err != nil { 161 c.Fatal(err) 162 } 163 defer cpty.Close() 164 cmd.Stdin = tty 165 if err := cmd.Start(); err != nil { 166 c.Fatal(err) 167 } 168 assert.Assert(c, waitRun(name) == nil) 169 170 if _, err := cpty.Write([]byte("hello\n")); err != nil { 171 c.Fatal(err) 172 } 173 174 out, err := bufio.NewReader(stdout).ReadString('\n') 175 if err != nil { 176 c.Fatal(err) 177 } 178 if strings.TrimSpace(out) != "hello" { 179 c.Fatalf("expected 'hello', got %q", out) 180 } 181 182 // escape sequence 183 if _, err := cpty.Write(keyCtrlA); err != nil { 184 c.Fatal(err) 185 } 186 time.Sleep(100 * time.Millisecond) 187 if _, err := cpty.Write(keyA); err != nil { 188 c.Fatal(err) 189 } 190 191 ch := make(chan struct{}, 1) 192 go func() { 193 cmd.Wait() 194 ch <- struct{}{} 195 }() 196 197 select { 198 case <-ch: 199 case <-time.After(10 * time.Second): 200 c.Fatal("timed out waiting for container to exit") 201 } 202 203 running := inspectField(c, name, "State.Running") 204 assert.Equal(c, running, "true", "expected container to still be running") 205 } 206 207 // TestRunAttachDetachFromInvalidFlag checks attaching and detaching with the escape sequence specified via flags. 208 func (s *DockerSuite) TestRunAttachDetachFromInvalidFlag(c *testing.T) { 209 name := "attach-detach" 210 dockerCmd(c, "run", "--name", name, "-itd", "busybox", "top") 211 assert.Assert(c, waitRun(name) == nil) 212 213 // specify an invalid detach key, container will ignore it and use default 214 cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-A,a", name) 215 stdout, err := cmd.StdoutPipe() 216 if err != nil { 217 c.Fatal(err) 218 } 219 cpty, tty, err := pty.Open() 220 if err != nil { 221 c.Fatal(err) 222 } 223 defer cpty.Close() 224 cmd.Stdin = tty 225 if err := cmd.Start(); err != nil { 226 c.Fatal(err) 227 } 228 go cmd.Wait() 229 230 bufReader := bufio.NewReader(stdout) 231 out, err := bufReader.ReadString('\n') 232 if err != nil { 233 c.Fatal(err) 234 } 235 // it should print a warning to indicate the detach key flag is invalid 236 errStr := "Invalid detach keys (ctrl-A,a) provided" 237 assert.Equal(c, strings.TrimSpace(out), errStr) 238 } 239 240 // TestRunAttachDetachFromConfig checks attaching and detaching with the escape sequence specified via config file. 241 func (s *DockerSuite) TestRunAttachDetachFromConfig(c *testing.T) { 242 keyCtrlA := []byte{1} 243 keyA := []byte{97} 244 245 // Setup config 246 homeKey := homedir.Key() 247 homeVal := homedir.Get() 248 tmpDir, err := os.MkdirTemp("", "fake-home") 249 assert.NilError(c, err) 250 defer os.RemoveAll(tmpDir) 251 252 dotDocker := filepath.Join(tmpDir, ".docker") 253 os.Mkdir(dotDocker, 0600) 254 tmpCfg := filepath.Join(dotDocker, "config.json") 255 256 defer func() { os.Setenv(homeKey, homeVal) }() 257 os.Setenv(homeKey, tmpDir) 258 259 data := `{ 260 "detachKeys": "ctrl-a,a" 261 }` 262 263 err = os.WriteFile(tmpCfg, []byte(data), 0600) 264 assert.NilError(c, err) 265 266 // Then do the work 267 name := "attach-detach" 268 dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") 269 270 cmd := exec.Command(dockerBinary, "attach", name) 271 stdout, err := cmd.StdoutPipe() 272 if err != nil { 273 c.Fatal(err) 274 } 275 cpty, tty, err := pty.Open() 276 if err != nil { 277 c.Fatal(err) 278 } 279 defer cpty.Close() 280 cmd.Stdin = tty 281 if err := cmd.Start(); err != nil { 282 c.Fatal(err) 283 } 284 assert.Assert(c, waitRun(name) == nil) 285 286 if _, err := cpty.Write([]byte("hello\n")); err != nil { 287 c.Fatal(err) 288 } 289 290 out, err := bufio.NewReader(stdout).ReadString('\n') 291 if err != nil { 292 c.Fatal(err) 293 } 294 if strings.TrimSpace(out) != "hello" { 295 c.Fatalf("expected 'hello', got %q", out) 296 } 297 298 // escape sequence 299 if _, err := cpty.Write(keyCtrlA); err != nil { 300 c.Fatal(err) 301 } 302 time.Sleep(100 * time.Millisecond) 303 if _, err := cpty.Write(keyA); err != nil { 304 c.Fatal(err) 305 } 306 307 ch := make(chan struct{}, 1) 308 go func() { 309 cmd.Wait() 310 ch <- struct{}{} 311 }() 312 313 select { 314 case <-ch: 315 case <-time.After(10 * time.Second): 316 c.Fatal("timed out waiting for container to exit") 317 } 318 319 running := inspectField(c, name, "State.Running") 320 assert.Equal(c, running, "true", "expected container to still be running") 321 } 322 323 // TestRunAttachDetachKeysOverrideConfig checks attaching and detaching with the detach flags, making sure it overrides config file 324 func (s *DockerSuite) TestRunAttachDetachKeysOverrideConfig(c *testing.T) { 325 keyCtrlA := []byte{1} 326 keyA := []byte{97} 327 328 // Setup config 329 homeKey := homedir.Key() 330 homeVal := homedir.Get() 331 tmpDir, err := os.MkdirTemp("", "fake-home") 332 assert.NilError(c, err) 333 defer os.RemoveAll(tmpDir) 334 335 dotDocker := filepath.Join(tmpDir, ".docker") 336 os.Mkdir(dotDocker, 0600) 337 tmpCfg := filepath.Join(dotDocker, "config.json") 338 339 defer func() { os.Setenv(homeKey, homeVal) }() 340 os.Setenv(homeKey, tmpDir) 341 342 data := `{ 343 "detachKeys": "ctrl-e,e" 344 }` 345 346 err = os.WriteFile(tmpCfg, []byte(data), 0600) 347 assert.NilError(c, err) 348 349 // Then do the work 350 name := "attach-detach" 351 dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") 352 353 cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-a,a", name) 354 stdout, err := cmd.StdoutPipe() 355 if err != nil { 356 c.Fatal(err) 357 } 358 cpty, tty, err := pty.Open() 359 if err != nil { 360 c.Fatal(err) 361 } 362 defer cpty.Close() 363 cmd.Stdin = tty 364 if err := cmd.Start(); err != nil { 365 c.Fatal(err) 366 } 367 assert.Assert(c, waitRun(name) == nil) 368 369 if _, err := cpty.Write([]byte("hello\n")); err != nil { 370 c.Fatal(err) 371 } 372 373 out, err := bufio.NewReader(stdout).ReadString('\n') 374 if err != nil { 375 c.Fatal(err) 376 } 377 if strings.TrimSpace(out) != "hello" { 378 c.Fatalf("expected 'hello', got %q", out) 379 } 380 381 // escape sequence 382 if _, err := cpty.Write(keyCtrlA); err != nil { 383 c.Fatal(err) 384 } 385 time.Sleep(100 * time.Millisecond) 386 if _, err := cpty.Write(keyA); err != nil { 387 c.Fatal(err) 388 } 389 390 ch := make(chan struct{}, 1) 391 go func() { 392 cmd.Wait() 393 ch <- struct{}{} 394 }() 395 396 select { 397 case <-ch: 398 case <-time.After(10 * time.Second): 399 c.Fatal("timed out waiting for container to exit") 400 } 401 402 running := inspectField(c, name, "State.Running") 403 assert.Equal(c, running, "true", "expected container to still be running") 404 } 405 406 func (s *DockerSuite) TestRunAttachInvalidDetachKeySequencePreserved(c *testing.T) { 407 name := "attach-detach" 408 keyA := []byte{97} 409 keyB := []byte{98} 410 411 dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") 412 413 cmd := exec.Command(dockerBinary, "attach", "--detach-keys=a,b,c", name) 414 stdout, err := cmd.StdoutPipe() 415 if err != nil { 416 c.Fatal(err) 417 } 418 cpty, tty, err := pty.Open() 419 if err != nil { 420 c.Fatal(err) 421 } 422 defer cpty.Close() 423 cmd.Stdin = tty 424 if err := cmd.Start(); err != nil { 425 c.Fatal(err) 426 } 427 go cmd.Wait() 428 assert.Assert(c, waitRun(name) == nil) 429 430 // Invalid escape sequence aba, should print aba in output 431 if _, err := cpty.Write(keyA); err != nil { 432 c.Fatal(err) 433 } 434 time.Sleep(100 * time.Millisecond) 435 if _, err := cpty.Write(keyB); err != nil { 436 c.Fatal(err) 437 } 438 time.Sleep(100 * time.Millisecond) 439 if _, err := cpty.Write(keyA); err != nil { 440 c.Fatal(err) 441 } 442 time.Sleep(100 * time.Millisecond) 443 if _, err := cpty.Write([]byte("\n")); err != nil { 444 c.Fatal(err) 445 } 446 447 out, err := bufio.NewReader(stdout).ReadString('\n') 448 if err != nil { 449 c.Fatal(err) 450 } 451 if strings.TrimSpace(out) != "aba" { 452 c.Fatalf("expected 'aba', got %q", out) 453 } 454 } 455 456 // "test" should be printed 457 func (s *DockerSuite) TestRunWithCPUQuota(c *testing.T) { 458 testRequires(c, cpuCfsQuota) 459 460 file := "/sys/fs/cgroup/cpu/cpu.cfs_quota_us" 461 out, _ := dockerCmd(c, "run", "--cpu-quota", "8000", "--name", "test", "busybox", "cat", file) 462 assert.Equal(c, strings.TrimSpace(out), "8000") 463 464 out = inspectField(c, "test", "HostConfig.CpuQuota") 465 assert.Equal(c, out, "8000", "setting the CPU CFS quota failed") 466 } 467 468 func (s *DockerSuite) TestRunWithCpuPeriod(c *testing.T) { 469 testRequires(c, cpuCfsPeriod) 470 471 file := "/sys/fs/cgroup/cpu/cpu.cfs_period_us" 472 out, _ := dockerCmd(c, "run", "--cpu-period", "50000", "--name", "test", "busybox", "cat", file) 473 assert.Equal(c, strings.TrimSpace(out), "50000") 474 475 out, _ = dockerCmd(c, "run", "--cpu-period", "0", "busybox", "cat", file) 476 assert.Equal(c, strings.TrimSpace(out), "100000") 477 478 out = inspectField(c, "test", "HostConfig.CpuPeriod") 479 assert.Equal(c, out, "50000", "setting the CPU CFS period failed") 480 } 481 482 func (s *DockerSuite) TestRunWithInvalidCpuPeriod(c *testing.T) { 483 testRequires(c, cpuCfsPeriod) 484 out, _, err := dockerCmdWithError("run", "--cpu-period", "900", "busybox", "true") 485 assert.ErrorContains(c, err, "") 486 expected := "CPU cfs period can not be less than 1ms (i.e. 1000) or larger than 1s (i.e. 1000000)" 487 assert.Assert(c, strings.Contains(out, expected)) 488 489 out, _, err = dockerCmdWithError("run", "--cpu-period", "2000000", "busybox", "true") 490 assert.ErrorContains(c, err, "") 491 assert.Assert(c, strings.Contains(out, expected)) 492 493 out, _, err = dockerCmdWithError("run", "--cpu-period", "-3", "busybox", "true") 494 assert.ErrorContains(c, err, "") 495 assert.Assert(c, strings.Contains(out, expected)) 496 } 497 498 func (s *DockerSuite) TestRunWithCPUShares(c *testing.T) { 499 testRequires(c, cpuShare) 500 501 file := "/sys/fs/cgroup/cpu/cpu.shares" 502 out, _ := dockerCmd(c, "run", "--cpu-shares", "1000", "--name", "test", "busybox", "cat", file) 503 assert.Equal(c, strings.TrimSpace(out), "1000") 504 505 out = inspectField(c, "test", "HostConfig.CPUShares") 506 assert.Equal(c, out, "1000") 507 } 508 509 // "test" should be printed 510 func (s *DockerSuite) TestRunEchoStdoutWithCPUSharesAndMemoryLimit(c *testing.T) { 511 testRequires(c, cpuShare) 512 testRequires(c, memoryLimitSupport) 513 cli.DockerCmd(c, "run", "--cpu-shares", "1000", "-m", "32m", "busybox", "echo", "test").Assert(c, icmd.Expected{ 514 Out: "test\n", 515 }) 516 } 517 518 func (s *DockerSuite) TestRunWithCpusetCpus(c *testing.T) { 519 testRequires(c, cgroupCpuset) 520 521 file := "/sys/fs/cgroup/cpuset/cpuset.cpus" 522 out, _ := dockerCmd(c, "run", "--cpuset-cpus", "0", "--name", "test", "busybox", "cat", file) 523 assert.Equal(c, strings.TrimSpace(out), "0") 524 525 out = inspectField(c, "test", "HostConfig.CpusetCpus") 526 assert.Equal(c, out, "0") 527 } 528 529 func (s *DockerSuite) TestRunWithCpusetMems(c *testing.T) { 530 testRequires(c, cgroupCpuset) 531 532 file := "/sys/fs/cgroup/cpuset/cpuset.mems" 533 out, _ := dockerCmd(c, "run", "--cpuset-mems", "0", "--name", "test", "busybox", "cat", file) 534 assert.Equal(c, strings.TrimSpace(out), "0") 535 536 out = inspectField(c, "test", "HostConfig.CpusetMems") 537 assert.Equal(c, out, "0") 538 } 539 540 func (s *DockerSuite) TestRunWithBlkioWeight(c *testing.T) { 541 testRequires(c, blkioWeight) 542 543 file := "/sys/fs/cgroup/blkio/blkio.weight" 544 out, _ := dockerCmd(c, "run", "--blkio-weight", "300", "--name", "test", "busybox", "cat", file) 545 assert.Equal(c, strings.TrimSpace(out), "300") 546 547 out = inspectField(c, "test", "HostConfig.BlkioWeight") 548 assert.Equal(c, out, "300") 549 } 550 551 func (s *DockerSuite) TestRunWithInvalidBlkioWeight(c *testing.T) { 552 testRequires(c, blkioWeight) 553 out, _, err := dockerCmdWithError("run", "--blkio-weight", "5", "busybox", "true") 554 assert.ErrorContains(c, err, "", out) 555 expected := "Range of blkio weight is from 10 to 1000" 556 assert.Assert(c, strings.Contains(out, expected)) 557 } 558 559 func (s *DockerSuite) TestRunWithInvalidPathforBlkioWeightDevice(c *testing.T) { 560 testRequires(c, blkioWeight) 561 out, _, err := dockerCmdWithError("run", "--blkio-weight-device", "/dev/sdX:100", "busybox", "true") 562 assert.ErrorContains(c, err, "", out) 563 } 564 565 func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceReadBps(c *testing.T) { 566 testRequires(c, blkioWeight) 567 out, _, err := dockerCmdWithError("run", "--device-read-bps", "/dev/sdX:500", "busybox", "true") 568 assert.ErrorContains(c, err, "", out) 569 } 570 571 func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceWriteBps(c *testing.T) { 572 testRequires(c, blkioWeight) 573 out, _, err := dockerCmdWithError("run", "--device-write-bps", "/dev/sdX:500", "busybox", "true") 574 assert.ErrorContains(c, err, "", out) 575 } 576 577 func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceReadIOps(c *testing.T) { 578 testRequires(c, blkioWeight) 579 out, _, err := dockerCmdWithError("run", "--device-read-iops", "/dev/sdX:500", "busybox", "true") 580 assert.ErrorContains(c, err, "", out) 581 } 582 583 func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceWriteIOps(c *testing.T) { 584 testRequires(c, blkioWeight) 585 out, _, err := dockerCmdWithError("run", "--device-write-iops", "/dev/sdX:500", "busybox", "true") 586 assert.ErrorContains(c, err, "", out) 587 } 588 589 func (s *DockerSuite) TestRunOOMExitCode(c *testing.T) { 590 testRequires(c, memoryLimitSupport, swapMemorySupport, NotPpc64le) 591 errChan := make(chan error, 1) 592 go func() { 593 defer close(errChan) 594 // memory limit lower than 8MB will raise an error of "device or resource busy" from docker-runc. 595 out, exitCode, _ := dockerCmdWithError("run", "-m", "8MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done") 596 if expected := 137; exitCode != expected { 597 errChan <- fmt.Errorf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out) 598 } 599 }() 600 601 select { 602 case err := <-errChan: 603 assert.NilError(c, err) 604 case <-time.After(600 * time.Second): 605 c.Fatal("Timeout waiting for container to die on OOM") 606 } 607 } 608 609 func (s *DockerSuite) TestRunWithMemoryLimit(c *testing.T) { 610 testRequires(c, memoryLimitSupport) 611 612 file := "/sys/fs/cgroup/memory/memory.limit_in_bytes" 613 cli.DockerCmd(c, "run", "-m", "32M", "--name", "test", "busybox", "cat", file).Assert(c, icmd.Expected{ 614 Out: "33554432", 615 }) 616 cli.InspectCmd(c, "test", cli.Format(".HostConfig.Memory")).Assert(c, icmd.Expected{ 617 Out: "33554432", 618 }) 619 } 620 621 // TestRunWithoutMemoryswapLimit sets memory limit and disables swap 622 // memory limit, this means the processes in the container can use 623 // 16M memory and as much swap memory as they need (if the host 624 // supports swap memory). 625 func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *testing.T) { 626 testRequires(c, DaemonIsLinux) 627 testRequires(c, memoryLimitSupport) 628 testRequires(c, swapMemorySupport) 629 dockerCmd(c, "run", "-m", "32m", "--memory-swap", "-1", "busybox", "true") 630 } 631 632 func (s *DockerSuite) TestRunWithSwappiness(c *testing.T) { 633 testRequires(c, memorySwappinessSupport) 634 file := "/sys/fs/cgroup/memory/memory.swappiness" 635 out, _ := dockerCmd(c, "run", "--memory-swappiness", "0", "--name", "test", "busybox", "cat", file) 636 assert.Equal(c, strings.TrimSpace(out), "0") 637 638 out = inspectField(c, "test", "HostConfig.MemorySwappiness") 639 assert.Equal(c, out, "0") 640 } 641 642 func (s *DockerSuite) TestRunWithSwappinessInvalid(c *testing.T) { 643 testRequires(c, memorySwappinessSupport) 644 out, _, err := dockerCmdWithError("run", "--memory-swappiness", "101", "busybox", "true") 645 assert.ErrorContains(c, err, "") 646 expected := "Valid memory swappiness range is 0-100" 647 assert.Assert(c, strings.Contains(out, expected), "Expected output to contain %q, not %q", out, expected) 648 out, _, err = dockerCmdWithError("run", "--memory-swappiness", "-10", "busybox", "true") 649 assert.ErrorContains(c, err, "") 650 assert.Assert(c, strings.Contains(out, expected), "Expected output to contain %q, not %q", out, expected) 651 } 652 653 func (s *DockerSuite) TestRunWithMemoryReservation(c *testing.T) { 654 testRequires(c, testEnv.IsLocalDaemon, memoryReservationSupport) 655 656 file := "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes" 657 out, _ := dockerCmd(c, "run", "--memory-reservation", "200M", "--name", "test", "busybox", "cat", file) 658 assert.Equal(c, strings.TrimSpace(out), "209715200") 659 660 out = inspectField(c, "test", "HostConfig.MemoryReservation") 661 assert.Equal(c, out, "209715200") 662 } 663 664 func (s *DockerSuite) TestRunWithMemoryReservationInvalid(c *testing.T) { 665 testRequires(c, memoryLimitSupport) 666 testRequires(c, testEnv.IsLocalDaemon, memoryReservationSupport) 667 out, _, err := dockerCmdWithError("run", "-m", "500M", "--memory-reservation", "800M", "busybox", "true") 668 assert.ErrorContains(c, err, "") 669 expected := "Minimum memory limit can not be less than memory reservation limit" 670 assert.Assert(c, strings.Contains(strings.TrimSpace(out), expected), "run container should fail with invalid memory reservation") 671 out, _, err = dockerCmdWithError("run", "--memory-reservation", "1k", "busybox", "true") 672 assert.ErrorContains(c, err, "") 673 expected = "Minimum memory reservation allowed is 6MB" 674 assert.Assert(c, strings.Contains(strings.TrimSpace(out), expected), "run container should fail with invalid memory reservation") 675 } 676 677 func (s *DockerSuite) TestStopContainerSignal(c *testing.T) { 678 out, _ := dockerCmd(c, "run", "--stop-signal", "SIGUSR1", "-d", "busybox", "/bin/sh", "-c", `trap 'echo "exit trapped"; exit 0' USR1; while true; do sleep 1; done`) 679 containerID := strings.TrimSpace(out) 680 681 assert.Assert(c, waitRun(containerID) == nil) 682 683 dockerCmd(c, "stop", containerID) 684 out, _ = dockerCmd(c, "logs", containerID) 685 686 assert.Assert(c, strings.Contains(out, "exit trapped"), "Expected `exit trapped` in the log") 687 } 688 689 func (s *DockerSuite) TestRunSwapLessThanMemoryLimit(c *testing.T) { 690 testRequires(c, memoryLimitSupport) 691 testRequires(c, swapMemorySupport) 692 out, _, err := dockerCmdWithError("run", "-m", "16m", "--memory-swap", "15m", "busybox", "echo", "test") 693 expected := "Minimum memoryswap limit should be larger than memory limit" 694 assert.ErrorContains(c, err, "") 695 696 assert.Assert(c, strings.Contains(out, expected)) 697 } 698 699 func (s *DockerSuite) TestRunInvalidCpusetCpusFlagValue(c *testing.T) { 700 testRequires(c, cgroupCpuset, testEnv.IsLocalDaemon) 701 702 sysInfo := sysinfo.New() 703 cpus, err := parsers.ParseUintList(sysInfo.Cpus) 704 assert.NilError(c, err) 705 var invalid int 706 for i := 0; i <= len(cpus)+1; i++ { 707 if !cpus[i] { 708 invalid = i 709 break 710 } 711 } 712 out, _, err := dockerCmdWithError("run", "--cpuset-cpus", strconv.Itoa(invalid), "busybox", "true") 713 assert.ErrorContains(c, err, "") 714 expected := fmt.Sprintf("Error response from daemon: Requested CPUs are not available - requested %s, available: %s", strconv.Itoa(invalid), sysInfo.Cpus) 715 assert.Assert(c, strings.Contains(out, expected)) 716 } 717 718 func (s *DockerSuite) TestRunInvalidCpusetMemsFlagValue(c *testing.T) { 719 testRequires(c, cgroupCpuset) 720 721 sysInfo := sysinfo.New() 722 mems, err := parsers.ParseUintList(sysInfo.Mems) 723 assert.NilError(c, err) 724 var invalid int 725 for i := 0; i <= len(mems)+1; i++ { 726 if !mems[i] { 727 invalid = i 728 break 729 } 730 } 731 out, _, err := dockerCmdWithError("run", "--cpuset-mems", strconv.Itoa(invalid), "busybox", "true") 732 assert.ErrorContains(c, err, "") 733 expected := fmt.Sprintf("Error response from daemon: Requested memory nodes are not available - requested %s, available: %s", strconv.Itoa(invalid), sysInfo.Mems) 734 assert.Assert(c, strings.Contains(out, expected)) 735 } 736 737 func (s *DockerSuite) TestRunInvalidCPUShares(c *testing.T) { 738 testRequires(c, cpuShare, DaemonIsLinux) 739 out, _, err := dockerCmdWithError("run", "--cpu-shares", "1", "busybox", "echo", "test") 740 assert.ErrorContains(c, err, "", out) 741 expected := "minimum allowed cpu-shares is 2" 742 assert.Assert(c, strings.Contains(out, expected)) 743 744 out, _, err = dockerCmdWithError("run", "--cpu-shares", "-1", "busybox", "echo", "test") 745 assert.ErrorContains(c, err, "", out) 746 expected = "shares: invalid argument" 747 assert.Assert(c, strings.Contains(out, expected)) 748 749 out, _, err = dockerCmdWithError("run", "--cpu-shares", "99999999", "busybox", "echo", "test") 750 assert.ErrorContains(c, err, "", out) 751 expected = "maximum allowed cpu-shares is" 752 assert.Assert(c, strings.Contains(out, expected)) 753 } 754 755 func (s *DockerSuite) TestRunWithDefaultShmSize(c *testing.T) { 756 testRequires(c, DaemonIsLinux) 757 758 name := "shm-default" 759 out, _ := dockerCmd(c, "run", "--name", name, "busybox", "mount") 760 shmRegex := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=65536k`) 761 if !shmRegex.MatchString(out) { 762 c.Fatalf("Expected shm of 64MB in mount command, got %v", out) 763 } 764 shmSize := inspectField(c, name, "HostConfig.ShmSize") 765 assert.Equal(c, shmSize, "67108864") 766 } 767 768 func (s *DockerSuite) TestRunWithShmSize(c *testing.T) { 769 testRequires(c, DaemonIsLinux) 770 771 name := "shm" 772 out, _ := dockerCmd(c, "run", "--name", name, "--shm-size=1G", "busybox", "mount") 773 shmRegex := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=1048576k`) 774 if !shmRegex.MatchString(out) { 775 c.Fatalf("Expected shm of 1GB in mount command, got %v", out) 776 } 777 shmSize := inspectField(c, name, "HostConfig.ShmSize") 778 assert.Equal(c, shmSize, "1073741824") 779 } 780 781 func (s *DockerSuite) TestRunTmpfsMountsEnsureOrdered(c *testing.T) { 782 tmpFile, err := os.CreateTemp("", "test") 783 assert.NilError(c, err) 784 defer tmpFile.Close() 785 out, _ := dockerCmd(c, "run", "--tmpfs", "/run", "-v", tmpFile.Name()+":/run/test", "busybox", "ls", "/run") 786 assert.Assert(c, strings.Contains(out, "test")) 787 } 788 789 func (s *DockerSuite) TestRunTmpfsMounts(c *testing.T) { 790 // TODO Windows (Post TP5): This test cannot run on a Windows daemon as 791 // Windows does not support tmpfs mounts. 792 testRequires(c, DaemonIsLinux) 793 if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run", "busybox", "touch", "/run/somefile"); err != nil { 794 c.Fatalf("/run directory not mounted on tmpfs %q %s", err, out) 795 } 796 if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run:noexec", "busybox", "touch", "/run/somefile"); err != nil { 797 c.Fatalf("/run directory not mounted on tmpfs %q %s", err, out) 798 } 799 if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run:noexec,nosuid,rw,size=5k,mode=700", "busybox", "touch", "/run/somefile"); err != nil { 800 c.Fatalf("/run failed to mount on tmpfs with valid options %q %s", err, out) 801 } 802 if _, _, err := dockerCmdWithError("run", "--tmpfs", "/run:foobar", "busybox", "touch", "/run/somefile"); err == nil { 803 c.Fatalf("/run mounted on tmpfs when it should have vailed within invalid mount option") 804 } 805 if _, _, err := dockerCmdWithError("run", "--tmpfs", "/run", "-v", "/run:/run", "busybox", "touch", "/run/somefile"); err == nil { 806 c.Fatalf("Should have generated an error saying Duplicate mount points") 807 } 808 } 809 810 func (s *DockerSuite) TestRunTmpfsMountsOverrideImageVolumes(c *testing.T) { 811 name := "img-with-volumes" 812 buildImageSuccessfully(c, name, build.WithDockerfile(` 813 FROM busybox 814 VOLUME /run 815 RUN touch /run/stuff 816 `)) 817 out, _ := dockerCmd(c, "run", "--tmpfs", "/run", name, "ls", "/run") 818 assert.Assert(c, !strings.Contains(out, "stuff")) 819 } 820 821 // Test case for #22420 822 func (s *DockerSuite) TestRunTmpfsMountsWithOptions(c *testing.T) { 823 testRequires(c, DaemonIsLinux) 824 825 expectedOptions := []string{"rw", "nosuid", "nodev", "noexec", "relatime"} 826 out, _ := dockerCmd(c, "run", "--tmpfs", "/tmp", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") 827 for _, option := range expectedOptions { 828 assert.Assert(c, strings.Contains(out, option)) 829 } 830 assert.Assert(c, !strings.Contains(out, "size=")) 831 expectedOptions = []string{"rw", "nosuid", "nodev", "noexec", "relatime"} 832 out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") 833 for _, option := range expectedOptions { 834 assert.Assert(c, strings.Contains(out, option)) 835 } 836 assert.Assert(c, !strings.Contains(out, "size=")) 837 expectedOptions = []string{"rw", "nosuid", "nodev", "relatime", "size=8192k"} 838 out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw,exec,size=8192k", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") 839 for _, option := range expectedOptions { 840 assert.Assert(c, strings.Contains(out, option)) 841 } 842 843 expectedOptions = []string{"rw", "nosuid", "nodev", "noexec", "relatime", "size=4096k"} 844 out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw,size=8192k,exec,size=4096k,noexec", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") 845 for _, option := range expectedOptions { 846 assert.Assert(c, strings.Contains(out, option)) 847 } 848 849 // We use debian:bullseye-slim as there is no findmnt in busybox. Also the output will be in the format of 850 // TARGET PROPAGATION 851 // /tmp shared 852 // so we only capture `shared` here. 853 expectedOptions = []string{"shared"} 854 out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:shared", "debian:bullseye-slim", "findmnt", "-o", "TARGET,PROPAGATION", "/tmp") 855 for _, option := range expectedOptions { 856 assert.Assert(c, strings.Contains(out, option)) 857 } 858 } 859 860 func (s *DockerSuite) TestRunSysctls(c *testing.T) { 861 testRequires(c, DaemonIsLinux) 862 var err error 863 864 out, _ := dockerCmd(c, "run", "--sysctl", "net.ipv4.ip_forward=1", "--name", "test", "busybox", "cat", "/proc/sys/net/ipv4/ip_forward") 865 assert.Equal(c, strings.TrimSpace(out), "1") 866 867 out = inspectFieldJSON(c, "test", "HostConfig.Sysctls") 868 869 sysctls := make(map[string]string) 870 err = json.Unmarshal([]byte(out), &sysctls) 871 assert.NilError(c, err) 872 assert.Equal(c, sysctls["net.ipv4.ip_forward"], "1") 873 874 out, _ = dockerCmd(c, "run", "--sysctl", "net.ipv4.ip_forward=0", "--name", "test1", "busybox", "cat", "/proc/sys/net/ipv4/ip_forward") 875 assert.Equal(c, strings.TrimSpace(out), "0") 876 877 out = inspectFieldJSON(c, "test1", "HostConfig.Sysctls") 878 879 err = json.Unmarshal([]byte(out), &sysctls) 880 assert.NilError(c, err) 881 assert.Equal(c, sysctls["net.ipv4.ip_forward"], "0") 882 883 icmd.RunCommand(dockerBinary, "run", "--sysctl", "kernel.foobar=1", "--name", "test2", 884 "busybox", "cat", "/proc/sys/kernel/foobar").Assert(c, icmd.Expected{ 885 ExitCode: 125, 886 Err: "invalid argument", 887 }) 888 } 889 890 // TestRunSeccompProfileDenyUnshare checks that 'docker run --security-opt seccomp=/tmp/profile.json debian:bullseye-slim unshare' exits with operation not permitted. 891 func (s *DockerSuite) TestRunSeccompProfileDenyUnshare(c *testing.T) { 892 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, NotArm, Apparmor) 893 jsonData := `{ 894 "defaultAction": "SCMP_ACT_ALLOW", 895 "syscalls": [ 896 { 897 "name": "unshare", 898 "action": "SCMP_ACT_ERRNO" 899 } 900 ] 901 }` 902 tmpFile, err := os.CreateTemp("", "profile.json") 903 if err != nil { 904 c.Fatal(err) 905 } 906 defer tmpFile.Close() 907 908 if _, err := tmpFile.Write([]byte(jsonData)); err != nil { 909 c.Fatal(err) 910 } 911 icmd.RunCommand(dockerBinary, "run", "--security-opt", "apparmor=unconfined", 912 "--security-opt", "seccomp="+tmpFile.Name(), 913 "debian:bullseye-slim", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc").Assert(c, icmd.Expected{ 914 ExitCode: 1, 915 Err: "Operation not permitted", 916 }) 917 } 918 919 // TestRunSeccompProfileDenyChmod checks that 'docker run --security-opt seccomp=/tmp/profile.json busybox chmod 400 /etc/hostname' exits with operation not permitted. 920 func (s *DockerSuite) TestRunSeccompProfileDenyChmod(c *testing.T) { 921 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled) 922 jsonData := `{ 923 "defaultAction": "SCMP_ACT_ALLOW", 924 "syscalls": [ 925 { 926 "name": "chmod", 927 "action": "SCMP_ACT_ERRNO" 928 }, 929 { 930 "name":"fchmod", 931 "action": "SCMP_ACT_ERRNO" 932 }, 933 { 934 "name": "fchmodat", 935 "action":"SCMP_ACT_ERRNO" 936 } 937 ] 938 }` 939 tmpFile, err := os.CreateTemp("", "profile.json") 940 assert.NilError(c, err) 941 defer tmpFile.Close() 942 943 if _, err := tmpFile.Write([]byte(jsonData)); err != nil { 944 c.Fatal(err) 945 } 946 icmd.RunCommand(dockerBinary, "run", "--security-opt", "seccomp="+tmpFile.Name(), 947 "busybox", "chmod", "400", "/etc/hostname").Assert(c, icmd.Expected{ 948 ExitCode: 1, 949 Err: "Operation not permitted", 950 }) 951 } 952 953 // TestRunSeccompProfileDenyUnshareUserns checks that 'docker run debian:bullseye-slim unshare --map-root-user --user sh -c whoami' with a specific profile to 954 // deny unshare of a userns exits with operation not permitted. 955 func (s *DockerSuite) TestRunSeccompProfileDenyUnshareUserns(c *testing.T) { 956 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, NotArm, Apparmor) 957 // from sched.h 958 jsonData := fmt.Sprintf(`{ 959 "defaultAction": "SCMP_ACT_ALLOW", 960 "syscalls": [ 961 { 962 "name": "unshare", 963 "action": "SCMP_ACT_ERRNO", 964 "args": [ 965 { 966 "index": 0, 967 "value": %d, 968 "op": "SCMP_CMP_EQ" 969 } 970 ] 971 } 972 ] 973 }`, uint64(0x10000000)) 974 tmpFile, err := os.CreateTemp("", "profile.json") 975 if err != nil { 976 c.Fatal(err) 977 } 978 defer tmpFile.Close() 979 980 if _, err := tmpFile.Write([]byte(jsonData)); err != nil { 981 c.Fatal(err) 982 } 983 icmd.RunCommand(dockerBinary, "run", 984 "--security-opt", "apparmor=unconfined", "--security-opt", "seccomp="+tmpFile.Name(), 985 "debian:bullseye-slim", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami").Assert(c, icmd.Expected{ 986 ExitCode: 1, 987 Err: "Operation not permitted", 988 }) 989 } 990 991 // TestRunSeccompProfileDenyCloneUserns checks that 'docker run syscall-test' 992 // with a the default seccomp profile exits with operation not permitted. 993 func (s *DockerSuite) TestRunSeccompProfileDenyCloneUserns(c *testing.T) { 994 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled) 995 ensureSyscallTest(c) 996 997 icmd.RunCommand(dockerBinary, "run", "syscall-test", "userns-test", "id").Assert(c, icmd.Expected{ 998 ExitCode: 1, 999 Err: "clone failed: Operation not permitted", 1000 }) 1001 } 1002 1003 // TestRunSeccompUnconfinedCloneUserns checks that 1004 // 'docker run --security-opt seccomp=unconfined syscall-test' allows creating a userns. 1005 func (s *DockerSuite) TestRunSeccompUnconfinedCloneUserns(c *testing.T) { 1006 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, UserNamespaceInKernel, NotUserNamespace, unprivilegedUsernsClone) 1007 ensureSyscallTest(c) 1008 1009 // make sure running w privileged is ok 1010 icmd.RunCommand(dockerBinary, "run", "--security-opt", "seccomp=unconfined", 1011 "syscall-test", "userns-test", "id").Assert(c, icmd.Expected{ 1012 Out: "nobody", 1013 }) 1014 } 1015 1016 // TestRunSeccompAllowPrivCloneUserns checks that 'docker run --privileged syscall-test' 1017 // allows creating a userns. 1018 func (s *DockerSuite) TestRunSeccompAllowPrivCloneUserns(c *testing.T) { 1019 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, UserNamespaceInKernel, NotUserNamespace) 1020 ensureSyscallTest(c) 1021 1022 // make sure running w privileged is ok 1023 icmd.RunCommand(dockerBinary, "run", "--privileged", "syscall-test", "userns-test", "id").Assert(c, icmd.Expected{ 1024 Out: "nobody", 1025 }) 1026 } 1027 1028 // TestRunSeccompProfileAllow32Bit checks that 32 bit code can run on x86_64 1029 // with the default seccomp profile. 1030 func (s *DockerSuite) TestRunSeccompProfileAllow32Bit(c *testing.T) { 1031 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, IsAmd64) 1032 ensureSyscallTest(c) 1033 1034 icmd.RunCommand(dockerBinary, "run", "syscall-test", "exit32-test").Assert(c, icmd.Success) 1035 } 1036 1037 // TestRunSeccompAllowSetrlimit checks that 'docker run debian:bullseye-slim ulimit -v 1048510' succeeds. 1038 func (s *DockerSuite) TestRunSeccompAllowSetrlimit(c *testing.T) { 1039 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled) 1040 1041 // ulimit uses setrlimit, so we want to make sure we don't break it 1042 icmd.RunCommand(dockerBinary, "run", "debian:bullseye-slim", "bash", "-c", "ulimit -v 1048510").Assert(c, icmd.Success) 1043 } 1044 1045 func (s *DockerSuite) TestRunSeccompDefaultProfileAcct(c *testing.T) { 1046 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, NotUserNamespace) 1047 ensureSyscallTest(c) 1048 1049 out, _, err := dockerCmdWithError("run", "syscall-test", "acct-test") 1050 if err == nil || !strings.Contains(out, "Operation not permitted") { 1051 c.Fatalf("test 0: expected Operation not permitted, got: %s", out) 1052 } 1053 1054 out, _, err = dockerCmdWithError("run", "--cap-add", "sys_admin", "syscall-test", "acct-test") 1055 if err == nil || !strings.Contains(out, "Operation not permitted") { 1056 c.Fatalf("test 1: expected Operation not permitted, got: %s", out) 1057 } 1058 1059 out, _, err = dockerCmdWithError("run", "--cap-add", "sys_pacct", "syscall-test", "acct-test") 1060 if err == nil || !strings.Contains(out, "No such file or directory") { 1061 c.Fatalf("test 2: expected No such file or directory, got: %s", out) 1062 } 1063 1064 out, _, err = dockerCmdWithError("run", "--cap-add", "ALL", "syscall-test", "acct-test") 1065 if err == nil || !strings.Contains(out, "No such file or directory") { 1066 c.Fatalf("test 3: expected No such file or directory, got: %s", out) 1067 } 1068 1069 out, _, err = dockerCmdWithError("run", "--cap-drop", "ALL", "--cap-add", "sys_pacct", "syscall-test", "acct-test") 1070 if err == nil || !strings.Contains(out, "No such file or directory") { 1071 c.Fatalf("test 4: expected No such file or directory, got: %s", out) 1072 } 1073 } 1074 1075 func (s *DockerSuite) TestRunSeccompDefaultProfileNS(c *testing.T) { 1076 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled, NotUserNamespace) 1077 ensureSyscallTest(c) 1078 1079 out, _, err := dockerCmdWithError("run", "syscall-test", "ns-test", "echo", "hello0") 1080 if err == nil || !strings.Contains(out, "Operation not permitted") { 1081 c.Fatalf("test 0: expected Operation not permitted, got: %s", out) 1082 } 1083 1084 out, _, err = dockerCmdWithError("run", "--cap-add", "sys_admin", "syscall-test", "ns-test", "echo", "hello1") 1085 if err != nil || !strings.Contains(out, "hello1") { 1086 c.Fatalf("test 1: expected hello1, got: %s, %v", out, err) 1087 } 1088 1089 out, _, err = dockerCmdWithError("run", "--cap-drop", "all", "--cap-add", "sys_admin", "syscall-test", "ns-test", "echo", "hello2") 1090 if err != nil || !strings.Contains(out, "hello2") { 1091 c.Fatalf("test 2: expected hello2, got: %s, %v", out, err) 1092 } 1093 1094 out, _, err = dockerCmdWithError("run", "--cap-add", "ALL", "syscall-test", "ns-test", "echo", "hello3") 1095 if err != nil || !strings.Contains(out, "hello3") { 1096 c.Fatalf("test 3: expected hello3, got: %s, %v", out, err) 1097 } 1098 1099 out, _, err = dockerCmdWithError("run", "--cap-add", "ALL", "--security-opt", "seccomp=unconfined", "syscall-test", "acct-test") 1100 if err == nil || !strings.Contains(out, "No such file or directory") { 1101 c.Fatalf("test 4: expected No such file or directory, got: %s", out) 1102 } 1103 1104 out, _, err = dockerCmdWithError("run", "--cap-add", "ALL", "--security-opt", "seccomp=unconfined", "syscall-test", "ns-test", "echo", "hello4") 1105 if err != nil || !strings.Contains(out, "hello4") { 1106 c.Fatalf("test 5: expected hello4, got: %s, %v", out, err) 1107 } 1108 } 1109 1110 // TestRunNoNewPrivSetuid checks that --security-opt='no-new-privileges=true' prevents 1111 // effective uid transitions on executing setuid binaries. 1112 func (s *DockerSuite) TestRunNoNewPrivSetuid(c *testing.T) { 1113 testRequires(c, DaemonIsLinux, NotUserNamespace, testEnv.IsLocalDaemon) 1114 ensureNNPTest(c) 1115 1116 // test that running a setuid binary results in no effective uid transition 1117 icmd.RunCommand(dockerBinary, "run", "--security-opt", "no-new-privileges=true", "--user", "1000", 1118 "nnp-test", "/usr/bin/nnp-test").Assert(c, icmd.Expected{ 1119 Out: "EUID=1000", 1120 }) 1121 } 1122 1123 // TestLegacyRunNoNewPrivSetuid checks that --security-opt=no-new-privileges prevents 1124 // effective uid transitions on executing setuid binaries. 1125 func (s *DockerSuite) TestLegacyRunNoNewPrivSetuid(c *testing.T) { 1126 testRequires(c, DaemonIsLinux, NotUserNamespace, testEnv.IsLocalDaemon) 1127 ensureNNPTest(c) 1128 1129 // test that running a setuid binary results in no effective uid transition 1130 icmd.RunCommand(dockerBinary, "run", "--security-opt", "no-new-privileges", "--user", "1000", 1131 "nnp-test", "/usr/bin/nnp-test").Assert(c, icmd.Expected{ 1132 Out: "EUID=1000", 1133 }) 1134 } 1135 1136 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesChown(c *testing.T) { 1137 testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) 1138 ensureSyscallTest(c) 1139 1140 // test that a root user has default capability CAP_CHOWN 1141 dockerCmd(c, "run", "busybox", "chown", "100", "/tmp") 1142 // test that non root user does not have default capability CAP_CHOWN 1143 icmd.RunCommand(dockerBinary, "run", "--user", "1000:1000", "busybox", "chown", "100", "/tmp").Assert(c, icmd.Expected{ 1144 ExitCode: 1, 1145 Err: "Operation not permitted", 1146 }) 1147 // test that root user can drop default capability CAP_CHOWN 1148 icmd.RunCommand(dockerBinary, "run", "--cap-drop", "chown", "busybox", "chown", "100", "/tmp").Assert(c, icmd.Expected{ 1149 ExitCode: 1, 1150 Err: "Operation not permitted", 1151 }) 1152 } 1153 1154 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesDacOverride(c *testing.T) { 1155 testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) 1156 ensureSyscallTest(c) 1157 1158 // test that a root user has default capability CAP_DAC_OVERRIDE 1159 dockerCmd(c, "run", "busybox", "sh", "-c", "echo test > /etc/passwd") 1160 // test that non root user does not have default capability CAP_DAC_OVERRIDE 1161 icmd.RunCommand(dockerBinary, "run", "--user", "1000:1000", "busybox", "sh", "-c", "echo test > /etc/passwd").Assert(c, icmd.Expected{ 1162 ExitCode: 1, 1163 Err: "Permission denied", 1164 }) 1165 } 1166 1167 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesFowner(c *testing.T) { 1168 testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) 1169 ensureSyscallTest(c) 1170 1171 // test that a root user has default capability CAP_FOWNER 1172 dockerCmd(c, "run", "busybox", "chmod", "777", "/etc/passwd") 1173 // test that non root user does not have default capability CAP_FOWNER 1174 icmd.RunCommand(dockerBinary, "run", "--user", "1000:1000", "busybox", "chmod", "777", "/etc/passwd").Assert(c, icmd.Expected{ 1175 ExitCode: 1, 1176 Err: "Operation not permitted", 1177 }) 1178 // TODO test that root user can drop default capability CAP_FOWNER 1179 } 1180 1181 // TODO CAP_KILL 1182 1183 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesSetuid(c *testing.T) { 1184 testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) 1185 ensureSyscallTest(c) 1186 1187 // test that a root user has default capability CAP_SETUID 1188 dockerCmd(c, "run", "syscall-test", "setuid-test") 1189 // test that non root user does not have default capability CAP_SETUID 1190 icmd.RunCommand(dockerBinary, "run", "--user", "1000:1000", "syscall-test", "setuid-test").Assert(c, icmd.Expected{ 1191 ExitCode: 1, 1192 Err: "Operation not permitted", 1193 }) 1194 // test that root user can drop default capability CAP_SETUID 1195 icmd.RunCommand(dockerBinary, "run", "--cap-drop", "setuid", "syscall-test", "setuid-test").Assert(c, icmd.Expected{ 1196 ExitCode: 1, 1197 Err: "Operation not permitted", 1198 }) 1199 } 1200 1201 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesSetgid(c *testing.T) { 1202 testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) 1203 ensureSyscallTest(c) 1204 1205 // test that a root user has default capability CAP_SETGID 1206 dockerCmd(c, "run", "syscall-test", "setgid-test") 1207 // test that non root user does not have default capability CAP_SETGID 1208 icmd.RunCommand(dockerBinary, "run", "--user", "1000:1000", "syscall-test", "setgid-test").Assert(c, icmd.Expected{ 1209 ExitCode: 1, 1210 Err: "Operation not permitted", 1211 }) 1212 // test that root user can drop default capability CAP_SETGID 1213 icmd.RunCommand(dockerBinary, "run", "--cap-drop", "setgid", "syscall-test", "setgid-test").Assert(c, icmd.Expected{ 1214 ExitCode: 1, 1215 Err: "Operation not permitted", 1216 }) 1217 } 1218 1219 // TODO CAP_SETPCAP 1220 1221 // sysctlExists checks if a sysctl exists; runc will error if we add any that do not actually 1222 // exist, so do not add the default ones if running on an old kernel. 1223 func sysctlExists(s string) bool { 1224 f := filepath.Join("/proc", "sys", strings.Replace(s, ".", "/", -1)) 1225 _, err := os.Stat(f) 1226 return err == nil 1227 } 1228 1229 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesNetBindService(c *testing.T) { 1230 testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) 1231 ensureSyscallTest(c) 1232 1233 // test that a root user has default capability CAP_NET_BIND_SERVICE 1234 dockerCmd(c, "run", "syscall-test", "socket-test") 1235 // test that non root user does not have default capability CAP_NET_BIND_SERVICE 1236 // as we allow this via sysctl, also tweak the sysctl back to default 1237 args := []string{"run", "--user", "1000:1000"} 1238 if sysctlExists("net.ipv4.ip_unprivileged_port_start") { 1239 args = append(args, "--sysctl", "net.ipv4.ip_unprivileged_port_start=1024") 1240 } 1241 args = append(args, "syscall-test", "socket-test") 1242 icmd.RunCommand(dockerBinary, args...).Assert(c, icmd.Expected{ 1243 ExitCode: 1, 1244 Err: "Permission denied", 1245 }) 1246 // test that root user can drop default capability CAP_NET_BIND_SERVICE 1247 args = []string{"run", "--cap-drop", "net_bind_service"} 1248 if sysctlExists("net.ipv4.ip_unprivileged_port_start") { 1249 args = append(args, "--sysctl", "net.ipv4.ip_unprivileged_port_start=1024") 1250 } 1251 args = append(args, "syscall-test", "socket-test") 1252 icmd.RunCommand(dockerBinary, args...).Assert(c, icmd.Expected{ 1253 ExitCode: 1, 1254 Err: "Permission denied", 1255 }) 1256 } 1257 1258 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesNetRaw(c *testing.T) { 1259 testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) 1260 ensureSyscallTest(c) 1261 1262 // test that a root user has default capability CAP_NET_RAW 1263 dockerCmd(c, "run", "syscall-test", "raw-test") 1264 // test that non root user does not have default capability CAP_NET_RAW 1265 icmd.RunCommand(dockerBinary, "run", "--user", "1000:1000", "syscall-test", "raw-test").Assert(c, icmd.Expected{ 1266 ExitCode: 1, 1267 Err: "Operation not permitted", 1268 }) 1269 // test that root user can drop default capability CAP_NET_RAW 1270 icmd.RunCommand(dockerBinary, "run", "--cap-drop", "net_raw", "syscall-test", "raw-test").Assert(c, icmd.Expected{ 1271 ExitCode: 1, 1272 Err: "Operation not permitted", 1273 }) 1274 } 1275 1276 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesChroot(c *testing.T) { 1277 testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) 1278 ensureSyscallTest(c) 1279 1280 // test that a root user has default capability CAP_SYS_CHROOT 1281 dockerCmd(c, "run", "busybox", "chroot", "/", "/bin/true") 1282 // test that non root user does not have default capability CAP_SYS_CHROOT 1283 icmd.RunCommand(dockerBinary, "run", "--user", "1000:1000", "busybox", "chroot", "/", "/bin/true").Assert(c, icmd.Expected{ 1284 ExitCode: 1, 1285 Err: "Operation not permitted", 1286 }) 1287 // test that root user can drop default capability CAP_SYS_CHROOT 1288 icmd.RunCommand(dockerBinary, "run", "--cap-drop", "sys_chroot", "busybox", "chroot", "/", "/bin/true").Assert(c, icmd.Expected{ 1289 ExitCode: 1, 1290 Err: "Operation not permitted", 1291 }) 1292 } 1293 1294 func (s *DockerSuite) TestUserNoEffectiveCapabilitiesMknod(c *testing.T) { 1295 testRequires(c, DaemonIsLinux, NotUserNamespace, testEnv.IsLocalDaemon) 1296 ensureSyscallTest(c) 1297 1298 // test that a root user has default capability CAP_MKNOD 1299 dockerCmd(c, "run", "busybox", "mknod", "/tmp/node", "b", "1", "2") 1300 // test that non root user does not have default capability CAP_MKNOD 1301 // test that root user can drop default capability CAP_SYS_CHROOT 1302 icmd.RunCommand(dockerBinary, "run", "--user", "1000:1000", "busybox", "mknod", "/tmp/node", "b", "1", "2").Assert(c, icmd.Expected{ 1303 ExitCode: 1, 1304 Err: "Operation not permitted", 1305 }) 1306 // test that root user can drop default capability CAP_MKNOD 1307 icmd.RunCommand(dockerBinary, "run", "--cap-drop", "mknod", "busybox", "mknod", "/tmp/node", "b", "1", "2").Assert(c, icmd.Expected{ 1308 ExitCode: 1, 1309 Err: "Operation not permitted", 1310 }) 1311 } 1312 1313 // TODO CAP_AUDIT_WRITE 1314 // TODO CAP_SETFCAP 1315 1316 func (s *DockerSuite) TestRunApparmorProcDirectory(c *testing.T) { 1317 testRequires(c, testEnv.IsLocalDaemon, Apparmor) 1318 1319 // running w seccomp unconfined tests the apparmor profile 1320 result := icmd.RunCommand(dockerBinary, "run", "--security-opt", "seccomp=unconfined", "busybox", "chmod", "777", "/proc/1/cgroup") 1321 result.Assert(c, icmd.Expected{ExitCode: 1}) 1322 if !(strings.Contains(result.Combined(), "Permission denied") || strings.Contains(result.Combined(), "Operation not permitted")) { 1323 c.Fatalf("expected chmod 777 /proc/1/cgroup to fail, got %s: %v", result.Combined(), result.Error) 1324 } 1325 1326 result = icmd.RunCommand(dockerBinary, "run", "--security-opt", "seccomp=unconfined", "busybox", "chmod", "777", "/proc/1/attr/current") 1327 result.Assert(c, icmd.Expected{ExitCode: 1}) 1328 if !(strings.Contains(result.Combined(), "Permission denied") || strings.Contains(result.Combined(), "Operation not permitted")) { 1329 c.Fatalf("expected chmod 777 /proc/1/attr/current to fail, got %s: %v", result.Combined(), result.Error) 1330 } 1331 } 1332 1333 // make sure the default profile can be successfully parsed (using unshare as it is 1334 // something which we know is blocked in the default profile) 1335 func (s *DockerSuite) TestRunSeccompWithDefaultProfile(c *testing.T) { 1336 testRequires(c, testEnv.IsLocalDaemon, seccompEnabled) 1337 1338 out, _, err := dockerCmdWithError("run", "--security-opt", "seccomp=../profiles/seccomp/default.json", "debian:bullseye-slim", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami") 1339 assert.ErrorContains(c, err, "", out) 1340 assert.Equal(c, strings.TrimSpace(out), "unshare: unshare failed: Operation not permitted") 1341 } 1342 1343 // TestRunDeviceSymlink checks run with device that follows symlink (#13840 and #22271) 1344 func (s *DockerSuite) TestRunDeviceSymlink(c *testing.T) { 1345 testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm, testEnv.IsLocalDaemon) 1346 if _, err := os.Stat("/dev/zero"); err != nil { 1347 c.Skip("Host does not have /dev/zero") 1348 } 1349 1350 // Create a temporary directory to create symlink 1351 tmpDir, err := os.MkdirTemp("", "docker_device_follow_symlink_tests") 1352 assert.NilError(c, err) 1353 1354 defer os.RemoveAll(tmpDir) 1355 1356 // Create a symbolic link to /dev/zero 1357 symZero := filepath.Join(tmpDir, "zero") 1358 err = os.Symlink("/dev/zero", symZero) 1359 assert.NilError(c, err) 1360 1361 // Create a temporary file "temp" inside tmpDir, write some data to "tmpDir/temp", 1362 // then create a symlink "tmpDir/file" to the temporary file "tmpDir/temp". 1363 tmpFile := filepath.Join(tmpDir, "temp") 1364 err = os.WriteFile(tmpFile, []byte("temp"), 0666) 1365 assert.NilError(c, err) 1366 symFile := filepath.Join(tmpDir, "file") 1367 err = os.Symlink(tmpFile, symFile) 1368 assert.NilError(c, err) 1369 1370 // Create a symbolic link to /dev/zero, this time with a relative path (#22271) 1371 err = os.Symlink("zero", "/dev/symzero") 1372 if err != nil { 1373 c.Fatal("/dev/symzero creation failed") 1374 } 1375 // We need to remove this symbolic link here as it is created in /dev/, not temporary directory as above 1376 defer os.Remove("/dev/symzero") 1377 1378 // md5sum of 'dd if=/dev/zero bs=4K count=8' is bb7df04e1b0a2570657527a7e108ae23 1379 out, _ := dockerCmd(c, "run", "--device", symZero+":/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") 1380 assert.Assert(c, strings.Contains(strings.Trim(out, "\r\n"), "bb7df04e1b0a2570657527a7e108ae23"), "expected output bb7df04e1b0a2570657527a7e108ae23") 1381 // symlink "tmpDir/file" to a file "tmpDir/temp" will result in an error as it is not a device. 1382 out, _, err = dockerCmdWithError("run", "--device", symFile+":/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") 1383 assert.ErrorContains(c, err, "") 1384 assert.Assert(c, strings.Contains(strings.Trim(out, "\r\n"), "not a device node"), "expected output 'not a device node'") 1385 // md5sum of 'dd if=/dev/zero bs=4K count=8' is bb7df04e1b0a2570657527a7e108ae23 (this time check with relative path backed, see #22271) 1386 out, _ = dockerCmd(c, "run", "--device", "/dev/symzero:/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") 1387 assert.Assert(c, strings.Contains(strings.Trim(out, "\r\n"), "bb7df04e1b0a2570657527a7e108ae23"), "expected output bb7df04e1b0a2570657527a7e108ae23") 1388 } 1389 1390 // TestRunPIDsLimit makes sure the pids cgroup is set with --pids-limit 1391 func (s *DockerSuite) TestRunPIDsLimit(c *testing.T) { 1392 testRequires(c, testEnv.IsLocalDaemon, pidsLimit) 1393 1394 file := "/sys/fs/cgroup/pids/pids.max" 1395 out, _ := dockerCmd(c, "run", "--name", "skittles", "--pids-limit", "4", "busybox", "cat", file) 1396 assert.Equal(c, strings.TrimSpace(out), "4") 1397 1398 out = inspectField(c, "skittles", "HostConfig.PidsLimit") 1399 assert.Equal(c, out, "4", "setting the pids limit failed") 1400 } 1401 1402 func (s *DockerSuite) TestRunPrivilegedAllowedDevices(c *testing.T) { 1403 testRequires(c, DaemonIsLinux, NotUserNamespace) 1404 1405 file := "/sys/fs/cgroup/devices/devices.list" 1406 out, _ := dockerCmd(c, "run", "--privileged", "busybox", "cat", file) 1407 c.Logf("out: %q", out) 1408 assert.Equal(c, strings.TrimSpace(out), "a *:* rwm") 1409 } 1410 1411 func (s *DockerSuite) TestRunUserDeviceAllowed(c *testing.T) { 1412 testRequires(c, DaemonIsLinux) 1413 1414 fi, err := os.Stat("/dev/snd/timer") 1415 if err != nil { 1416 c.Skip("Host does not have /dev/snd/timer") 1417 } 1418 stat, ok := fi.Sys().(*syscall.Stat_t) 1419 if !ok { 1420 c.Skip("Could not stat /dev/snd/timer") 1421 } 1422 1423 file := "/sys/fs/cgroup/devices/devices.list" 1424 out, _ := dockerCmd(c, "run", "--device", "/dev/snd/timer:w", "busybox", "cat", file) 1425 assert.Assert(c, strings.Contains(out, fmt.Sprintf("c %d:%d w", stat.Rdev/256, stat.Rdev%256))) 1426 } 1427 1428 func (s *DockerDaemonSuite) TestRunSeccompJSONNewFormat(c *testing.T) { 1429 testRequires(c, seccompEnabled) 1430 1431 s.d.StartWithBusybox(c) 1432 1433 jsonData := `{ 1434 "defaultAction": "SCMP_ACT_ALLOW", 1435 "syscalls": [ 1436 { 1437 "names": ["chmod", "fchmod", "fchmodat"], 1438 "action": "SCMP_ACT_ERRNO" 1439 } 1440 ] 1441 }` 1442 tmpFile, err := os.CreateTemp("", "profile.json") 1443 assert.NilError(c, err) 1444 defer tmpFile.Close() 1445 _, err = tmpFile.Write([]byte(jsonData)) 1446 assert.NilError(c, err) 1447 1448 out, err := s.d.Cmd("run", "--security-opt", "seccomp="+tmpFile.Name(), "busybox", "chmod", "777", ".") 1449 assert.ErrorContains(c, err, "") 1450 assert.Assert(c, strings.Contains(out, "Operation not permitted")) 1451 } 1452 1453 func (s *DockerDaemonSuite) TestRunSeccompJSONNoNameAndNames(c *testing.T) { 1454 testRequires(c, seccompEnabled) 1455 1456 s.d.StartWithBusybox(c) 1457 1458 jsonData := `{ 1459 "defaultAction": "SCMP_ACT_ALLOW", 1460 "syscalls": [ 1461 { 1462 "name": "chmod", 1463 "names": ["fchmod", "fchmodat"], 1464 "action": "SCMP_ACT_ERRNO" 1465 } 1466 ] 1467 }` 1468 tmpFile, err := os.CreateTemp("", "profile.json") 1469 assert.NilError(c, err) 1470 defer tmpFile.Close() 1471 _, err = tmpFile.Write([]byte(jsonData)) 1472 assert.NilError(c, err) 1473 1474 out, err := s.d.Cmd("run", "--security-opt", "seccomp="+tmpFile.Name(), "busybox", "chmod", "777", ".") 1475 assert.ErrorContains(c, err, "") 1476 assert.Assert(c, strings.Contains(out, "use either 'name' or 'names'")) 1477 } 1478 1479 func (s *DockerDaemonSuite) TestRunSeccompJSONNoArchAndArchMap(c *testing.T) { 1480 testRequires(c, seccompEnabled) 1481 1482 s.d.StartWithBusybox(c) 1483 1484 jsonData := `{ 1485 "archMap": [ 1486 { 1487 "architecture": "SCMP_ARCH_X86_64", 1488 "subArchitectures": [ 1489 "SCMP_ARCH_X86", 1490 "SCMP_ARCH_X32" 1491 ] 1492 } 1493 ], 1494 "architectures": [ 1495 "SCMP_ARCH_X32" 1496 ], 1497 "defaultAction": "SCMP_ACT_ALLOW", 1498 "syscalls": [ 1499 { 1500 "names": ["chmod", "fchmod", "fchmodat"], 1501 "action": "SCMP_ACT_ERRNO" 1502 } 1503 ] 1504 }` 1505 tmpFile, err := os.CreateTemp("", "profile.json") 1506 assert.NilError(c, err) 1507 defer tmpFile.Close() 1508 _, err = tmpFile.Write([]byte(jsonData)) 1509 assert.NilError(c, err) 1510 1511 out, err := s.d.Cmd("run", "--security-opt", "seccomp="+tmpFile.Name(), "busybox", "chmod", "777", ".") 1512 assert.ErrorContains(c, err, "") 1513 assert.Assert(c, strings.Contains(out, "use either 'architectures' or 'archMap'")) 1514 } 1515 1516 func (s *DockerDaemonSuite) TestRunWithDaemonDefaultSeccompProfile(c *testing.T) { 1517 testRequires(c, seccompEnabled) 1518 1519 s.d.StartWithBusybox(c) 1520 1521 // 1) verify I can run containers with the Docker default shipped profile which allows chmod 1522 _, err := s.d.Cmd("run", "busybox", "chmod", "777", ".") 1523 assert.NilError(c, err) 1524 1525 jsonData := `{ 1526 "defaultAction": "SCMP_ACT_ALLOW", 1527 "syscalls": [ 1528 { 1529 "name": "chmod", 1530 "action": "SCMP_ACT_ERRNO" 1531 }, 1532 { 1533 "name": "fchmodat", 1534 "action": "SCMP_ACT_ERRNO" 1535 } 1536 ] 1537 }` 1538 tmpFile, err := os.CreateTemp("", "profile.json") 1539 assert.NilError(c, err) 1540 defer tmpFile.Close() 1541 _, err = tmpFile.Write([]byte(jsonData)) 1542 assert.NilError(c, err) 1543 1544 // 2) restart the daemon and add a custom seccomp profile in which we deny chmod 1545 s.d.Restart(c, "--seccomp-profile="+tmpFile.Name()) 1546 1547 out, err := s.d.Cmd("run", "busybox", "chmod", "777", ".") 1548 assert.ErrorContains(c, err, "") 1549 assert.Assert(c, strings.Contains(out, "Operation not permitted")) 1550 } 1551 1552 func (s *DockerSuite) TestRunWithNanoCPUs(c *testing.T) { 1553 testRequires(c, cpuCfsQuota, cpuCfsPeriod) 1554 1555 file1 := "/sys/fs/cgroup/cpu/cpu.cfs_quota_us" 1556 file2 := "/sys/fs/cgroup/cpu/cpu.cfs_period_us" 1557 out, _ := dockerCmd(c, "run", "--cpus", "0.5", "--name", "test", "busybox", "sh", "-c", fmt.Sprintf("cat %s && cat %s", file1, file2)) 1558 assert.Equal(c, strings.TrimSpace(out), "50000\n100000") 1559 1560 clt, err := client.NewClientWithOpts(client.FromEnv) 1561 assert.NilError(c, err) 1562 inspect, err := clt.ContainerInspect(context.Background(), "test") 1563 assert.NilError(c, err) 1564 assert.Equal(c, inspect.HostConfig.NanoCPUs, int64(500000000)) 1565 1566 out = inspectField(c, "test", "HostConfig.CpuQuota") 1567 assert.Equal(c, out, "0", "CPU CFS quota should be 0") 1568 out = inspectField(c, "test", "HostConfig.CpuPeriod") 1569 assert.Equal(c, out, "0", "CPU CFS period should be 0") 1570 1571 out, _, err = dockerCmdWithError("run", "--cpus", "0.5", "--cpu-quota", "50000", "--cpu-period", "100000", "busybox", "sh") 1572 assert.ErrorContains(c, err, "") 1573 assert.Assert(c, strings.Contains(out, "Conflicting options: Nano CPUs and CPU Period cannot both be set")) 1574 }