While Ye and Drake‘s historic concert for Larry Hoover is giving their fans all the feels … the feds are pissed the music icons are pushing to release a guy the government considers the “worst of the worst.”

One federal law enforcement source — who is connected to Hoover’s case — tells TMZ … prosecutors are “surprised” to see Drizzy and Ye throwing so much support behind the #FreeLarryHoover movement, considering the facts of his case.

For those not in the know … Hoover was convicted and sentenced for an Illinois murder in 1973. He wasn’t the triggerman, but prosecutors said he directed the shooting of a man he accused of stealing from his gang. Hoover is credited with founding Chicago’s infamous Gangster Disciples.

While he was serving 150-200 years for the murder, the feds stepped in to indict and convict Hoover for drug conspiracy, extortion and engaging in organized crime. In 1997, he started serving 6 life sentences in a federal Supermax prison.

The feds think that’s exactly where he belongs … but Hoover’s backers believe the U.S. government outrageously over-sentenced him — considering his federal crimes were related to drug distribution, and not murders.

Our source says the feds acknowledge there are lots of low-level drug dealers who got draconian prison terms in the ’80s and ’90s — think Alice Marie Johnson — who are worthy of this kind of celeb backing. Remember, Kanye even asked then-President Trump to pardon Hoover back in 2018.

Trump shot that down, and just this past summer the federal parole board denied Hoover’s request for a compassionate release. The 71-year-old has been in prison for 48 years.