runtime/v2/runc: fix the defer cleanup of the NewContainer

[Iceber]

The cleanup operation does not take effect in many cases

e.g.

containerd/runtime/v2/runc/container.go

Lines 112 to 116 in 2755ead

	if err := m.Mount(rootfs); err != nil {
	return nil, errors.Wrapf(err, "failed to mount rootfs component %v", m)
	}
	}

containerd/runtime/v2/runc/container.go

Lines 130 to 132 in 2755ead

	if err := p.Create(ctx, config); err != nil {
	return nil, errdefs.ToGRPC(err)
	}

containerd/runtime/v2/runc/container.go

Lines 143 to 152 in 2755ead

	if cgroups.Mode() == cgroups.Unified {
	g, err := cgroupsv2.PidGroupPath(pid)
	if err != nil {
	logrus.WithError(err).Errorf("loading cgroup2 for %d", pid)
	return container, nil
	}
	cg, err = cgroupsv2.LoadManager("/sys/fs/cgroup", g)
	if err != nil {
	logrus.WithError(err).Errorf("loading cgroup2 for %d", pid)
	}

[k8s-ci-robot]

Hi @Iceber. Thanks for your PR.

I'm waiting for a containerd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[theopenlab-ci]

Build succeeded.

• containerd-build-arm64 : SUCCESS in 5m 51s (non-voting)

[theopenlab-ci]

Build succeeded.

• containerd-build-arm64 : SUCCESS in 5m 45s (non-voting)

[crosbymichael]

LGTM

[Zyqsempai]

LG

[fuweid]

LGTM

[Iceber]

@fuweid Is it necessary to fix release/1.4? This looks useful for the previous version.

[fuweid]

@fuweid Is it necessary to fix release/1.4? This looks useful for the previous version.

yeah. please