github.com/jwhonce/docker@v0.6.7-0.20190327063223-da823cf3a5a3/integration/image/import_test.go (about)

     1  package image // import "github.com/docker/docker/integration/image"
     2  
     3  import (
     4  	"archive/tar"
     5  	"bytes"
     6  	"context"
     7  	"io"
     8  	"runtime"
     9  	"testing"
    10  
    11  	"github.com/docker/docker/api/types"
    12  	"github.com/docker/docker/internal/test/daemon"
    13  	"github.com/docker/docker/internal/testutil"
    14  	"gotest.tools/assert"
    15  	"gotest.tools/skip"
    16  )
    17  
    18  // Ensure we don't regress on CVE-2017-14992.
    19  func TestImportExtremelyLargeImageWorks(t *testing.T) {
    20  	skip.If(t, testEnv.IsRemoteDaemon, "cannot run daemon when remote daemon")
    21  	skip.If(t, runtime.GOARCH == "arm64", "effective test will be time out")
    22  	skip.If(t, testEnv.OSType == "windows", "TODO enable on windows")
    23  	t.Parallel()
    24  
    25  	// Spin up a new daemon, so that we can run this test in parallel (it's a slow test)
    26  	d := daemon.New(t)
    27  	d.Start(t)
    28  	defer d.Stop(t)
    29  
    30  	client := d.NewClientT(t)
    31  
    32  	// Construct an empty tar archive with about 8GB of junk padding at the
    33  	// end. This should not cause any crashes (the padding should be mostly
    34  	// ignored).
    35  	var tarBuffer bytes.Buffer
    36  
    37  	tw := tar.NewWriter(&tarBuffer)
    38  	err := tw.Close()
    39  	assert.NilError(t, err)
    40  	imageRdr := io.MultiReader(&tarBuffer, io.LimitReader(testutil.DevZero, 8*1024*1024*1024))
    41  
    42  	_, err = client.ImageImport(context.Background(),
    43  		types.ImageImportSource{Source: imageRdr, SourceName: "-"},
    44  		"test1234:v42",
    45  		types.ImageImportOptions{})
    46  	assert.NilError(t, err)
    47  }