Merge pull request #12799 from aidanhs/aphs-fix-net-container-deadlock

Prevent deadlock on --net=container:<self>
This commit is contained in:
Alexander Morozov 2015-04-27 08:46:22 -07:00
commit 02d73d910f
2 changed files with 11 additions and 0 deletions

View file

@ -1515,6 +1515,9 @@ func (container *Container) getNetworkedContainer() (*Container, error) {
if err != nil {
return nil, err
}
if container == nc {
return nil, fmt.Errorf("cannot join own network")
}
if !nc.IsRunning() {
return nil, fmt.Errorf("cannot join network of a non running container: %s", parts[1])
}

View file

@ -2657,6 +2657,14 @@ func (s *DockerSuite) TestContainerNetworkMode(c *check.C) {
}
}
func (s *DockerSuite) TestContainerNetworkModeToSelf(c *check.C) {
cmd := exec.Command(dockerBinary, "run", "--name=me", "--net=container:me", "busybox", "true")
out, _, err := runCommandWithOutput(cmd)
if err == nil || !strings.Contains(out, "cannot join own network") {
c.Fatalf("using container net mode to self should result in an error")
}
}
func (s *DockerSuite) TestRunModePidHost(c *check.C) {
testRequires(c, NativeExecDriver, SameHostDaemon)