So now can you go out and murder or commit adultery and every thing is OK with you and with God?
OSAS is a false doctrine. Why? Because we are all sinners.
Paul's answer: God forbid. How shall we, that are dead to sin, live any longer therein? Therefore we are buried with him by baptism into death: that like as Christ was raised up from the dead by the glory of the Father, even so we also should walk in newness of life. (Rom 6:2-3).
The answer to sin is not, never has been, and never will be the law, for "by the law are the motions of sins" (Rom 7:5) because "the strength of sin is the law" (1 Cor 15:56).
The answer to sin and condemnation is the grace of the Lord Jesus Christ. The law causes sin and condemnation to defeat us. But grace cause us to defeat sin and condemnation. "For sin shall not have dominion over you: for you are not under the law, but under grace" (Rom 6:14).