@@ -540,8 +540,14 @@ func xfsSupported() error {

 		return err // error text is descriptive enough

 	}

-	// Check if kernel supports xfs filesystem or not.

-	exec.Command("modprobe", "xfs").Run()

+	mountTarget, err := ioutil.TempDir("", "supportsXFS")

+	if err != nil {

+		return errors.Wrapf(err, "error checking for xfs support")

+	}

+

+	/* The mounting will fail--after the module has been loaded.*/

+	defer os.RemoveAll(mountTarget)

+	unix.Mount("none", mountTarget, "xfs", 0, "")

 	f, err := os.Open("/proc/filesystems")

 	if err != nil {

@@ -8,7 +8,6 @@ import (

 	"io"

 	"io/ioutil"

 	"os"

-	"os/exec"

 	"path"

 	"path/filepath"

 	"strconv"

@@ -201,9 +200,15 @@ func parseOptions(options []string) (*overlayOptions, error) {

 }

 func supportsOverlay() error {

-	// We can try to modprobe overlay first before looking at

-	// proc/filesystems for when overlay is supported

-	exec.Command("modprobe", "overlay").Run()

+	// Access overlay filesystem so that Linux loads it (if possible).

+	mountTarget, err := ioutil.TempDir("", "supportsOverlay")

+	if err != nil {

+		logrus.WithError(err).WithField("storage-driver", "overlay2").Error("could not create temporary directory, so assuming that 'overlay' is not supported")

+		return graphdriver.ErrNotSupported

+	}

+	/* The mounting will fail--after the module has been loaded.*/

+	defer os.RemoveAll(mountTarget)

+	unix.Mount("overlay", mountTarget, "overlay", 0, "")

 	f, err := os.Open("/proc/filesystems")

 	if err != nil {

@@ -10,7 +10,6 @@ import (

 	"io"

 	"io/ioutil"

 	"os"

-	"os/exec"

 	"path"

 	"path/filepath"

 	"strconv"

@@ -273,9 +272,15 @@ func parseOptions(options []string) (*overlayOptions, error) {

 }

 func supportsOverlay() error {

-	// We can try to modprobe overlay first before looking at

-	// proc/filesystems for when overlay is supported

-	exec.Command("modprobe", "overlay").Run()

+	// Access overlay filesystem so that Linux loads it (if possible).

+	mountTarget, err := ioutil.TempDir("", "supportsOverlay2")

+	if err != nil {

+		logrus.WithError(err).WithField("storage-driver", "overlay2").Error("could not create temporary directory, so assuming that 'overlay' is not supported")

+		return graphdriver.ErrNotSupported

+	}

+	/* The mounting will fail--after the module has been loaded.*/

+	defer os.RemoveAll(mountTarget)

+	unix.Mount("overlay", mountTarget, "overlay", 0, "")

 	f, err := os.Open("/proc/filesystems")

 	if err != nil {