Paul Walker’s autopsy report was officially released. The report details some of the horrifying injuries sustained by the actor in a fatal car crash.

Paul’s entire body was charred through the skin it was burned so badly … this according to the autopsy.

According to the report … obtained by TMZ … Walker’s body was laying supine in the passenger seat in a “pugilstic stance” — that’s a defensive position, as if he were bracing himself for impact.

He had multiple fractures throughout his body.

According to the report … Walker died from “combined effects of traumatic and thermal injuries.”

Roger Rodas — the driver — suffered major head trauma with the top portion of his skull fractured and his brain exposed.

No alcohol or drug traces were found in either body.

TMZ.