| package image // import "github.com/docker/docker/integration/image" |
| |
| import ( |
| "archive/tar" |
| "bytes" |
| "context" |
| "io" |
| "runtime" |
| "testing" |
| |
| "github.com/docker/docker/api/types" |
| "github.com/docker/docker/internal/test/daemon" |
| "github.com/docker/docker/internal/testutil" |
| "gotest.tools/assert" |
| "gotest.tools/skip" |
| ) |
| |
| // Ensure we don't regress on CVE-2017-14992. |
| func TestImportExtremelyLargeImageWorks(t *testing.T) { |
| skip.If(t, testEnv.IsRemoteDaemon, "cannot run daemon when remote daemon") |
| skip.If(t, runtime.GOARCH == "arm64", "effective test will be time out") |
| skip.If(t, testEnv.OSType == "windows", "TODO enable on windows") |
| t.Parallel() |
| |
| // Spin up a new daemon, so that we can run this test in parallel (it's a slow test) |
| d := daemon.New(t) |
| d.Start(t) |
| defer d.Stop(t) |
| |
| client := d.NewClientT(t) |
| |
| // Construct an empty tar archive with about 8GB of junk padding at the |
| // end. This should not cause any crashes (the padding should be mostly |
| // ignored). |
| var tarBuffer bytes.Buffer |
| |
| tw := tar.NewWriter(&tarBuffer) |
| err := tw.Close() |
| assert.NilError(t, err) |
| imageRdr := io.MultiReader(&tarBuffer, io.LimitReader(testutil.DevZero, 8*1024*1024*1024)) |
| |
| _, err = client.ImageImport(context.Background(), |
| types.ImageImportSource{Source: imageRdr, SourceName: "-"}, |
| "test1234:v42", |
| types.ImageImportOptions{}) |
| assert.NilError(t, err) |
| } |