[maximilianburke]

The main wing can still be stalled in a canard; it’s not easy but it is possible and when it happens it’s almost unrecoverable because the canard will be stalled too and no flying surfaces will have sufficient lift to correct the condition. It’s a condition called “deep stall”

[brazzy]

IIRC non-canard aircraft can have this happen when the stall causes the plane to fall at an angle where the wake turbulence of the wings covers the elevators.

[Wistar]

Usually in a cross-controlled “slip” where the fuselage is held at a fairly dramatic angle relative to the slipstream (relative wind) and the fuselage “blanks out” one side of the main wing.