diff --git a/src/runtime/pkg/containerd-shim-v2/service.go b/src/runtime/pkg/containerd-shim-v2/service.go index 7cd2acf6b0..ec82063e41 100644 --- a/src/runtime/pkg/containerd-shim-v2/service.go +++ b/src/runtime/pkg/containerd-shim-v2/service.go @@ -191,6 +191,27 @@ func newCommand(ctx context.Context, id, containerdBinary, containerdAddress str return cmd, nil } +func setupMntNs() error { + err := unix.Unshare(unix.CLONE_NEWNS) + if err != nil { + return err + } + + err = unix.Mount("", "/", "", unix.MS_REC|unix.MS_SLAVE, "") + if err != nil { + err = fmt.Errorf("failed to mount with slave: %v", err) + return err + } + + err = unix.Mount("", "/", "", unix.MS_REC|unix.MS_SHARED, "") + if err != nil { + err = fmt.Errorf("failed to mount with shared: %v", err) + return err + } + + return nil +} + // StartShim is a binary call that starts a kata shimv2 service which will // implement the ShimV2 APIs such as create/start/update etc containers. func (s *service) StartShim(ctx context.Context, opts cdshim.StartOpts) (_ string, retErr error) { @@ -255,6 +276,10 @@ func (s *service) StartShim(ctx context.Context, opts cdshim.StartOpts) (_ strin } } + if err := setupMntNs(); err != nil { + return "", err + } + if err := cmd.Start(); err != nil { return "", err }