They can share any information they like about internet users basically.
Not being a gun runner, coke dealer, or international super-villain, I have little that they'd be interested in (unless they are after some choice The Cure shows) but even so, this is going to allow the authorities to effectively spy on whatever they want to.
The full name of the bill is
See those last four words?To provide for the sharing of certain cyber threat intelligence and cyber threat information between the intelligence community and cybersecurity entities, and for other purposes.
What's your take on it all?