To hold otherwise would invite an onslaught of frivolous petitions seeking to invalidate plea agreements on the basis of alleged and unsubstantiated promises made by counsel.Resnick v. United States, No. C 07-02885 MHP, 2008 U.S. Dist. LEXIS 37338, at *9 (N.D. Cal. May 7, 2008) (denying an evidentiary hearing in connection with a motion for relief under § 2255 where the record contradicted petitioner's claim that his counsel promised him a 77-month sentence). See also United States v. Flores-Vasquez, No. 06-CV-2458 J, 2007 U.S. Dist. LEXIS 38980, at *5-8 (S.D. Cal. May 29, 2007) (denying relief under § 2255 on a claim of ineffective assistance of counsel because the record controverted petitioner's allegations).