Update containerd to fix panic caused by race condition.

Signed-off-by: Lantao Liu <lantaol@google.com>

vendor/github.com/containerd/containerd/namespaces/ttrpc.go

@@ -27,10 +27,20 @@ const (
 	TTRPCHeader = "containerd-namespace-ttrpc"
 )
 
+func copyMetadata(src ttrpc.MD) ttrpc.MD {
+	md := ttrpc.MD{}
+	for k, v := range src {
+		md[k] = append(md[k], v...)
+	}
+	return md
+}
+
 func withTTRPCNamespaceHeader(ctx context.Context, namespace string) context.Context {
 	md, ok := ttrpc.GetMetadata(ctx)
 	if !ok {
 		md = ttrpc.MD{}
+	} else {
+		md = copyMetadata(md)
 	}
 	md.Set(TTRPCHeader, namespace)
 	return ttrpc.WithMetadata(ctx, md)

vendor/github.com/containerd/containerd/oci/spec_opts_linux.go

@@ -32,7 +32,8 @@ func deviceFromPath(path, permissions string) (*specs.LinuxDevice, error) {
 	}
 
 	var (
-		devNumber = stat.Rdev
+		// The type is 32bit on mips.
+		devNumber = uint64(stat.Rdev) // nolint: unconvert
 		major     = unix.Major(devNumber)
 		minor     = unix.Minor(devNumber)
 	)