Narrative:

Immediately after liftoff got a smoke crew rest F/D EICAS as well as a master caution. Smoke alarms were heard going off in cabin as well. Flight attendant confirmed they also had smoke in cabin. We also had a thin mist of smoke in cockpit. All 3 of us up front donned O2 masks and stabilized the aircraft. Decision was made to return to [the departure airport]. Landed overweight.

Google
 

Original NASA ASRS Text

Title: B777 crew reported returning to the departure airport shortly after takeoff due to fire detection and smoke alarms with visible smoke on the flight deck and cabin.

Narrative: Immediately after liftoff got a SMOKE CREW REST F/D EICAS as well as a master caution. Smoke alarms were heard going off in cabin as well. Flight Attendant confirmed they also had smoke in cabin. We also had a thin mist of smoke in cockpit. All 3 of us up front donned O2 masks and stabilized the aircraft. Decision was made to return to [the departure airport]. Landed overweight.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.