The bug has been reported to upstream ( https://gitlab.freedesktop.org/drm/intel/-/issues/8991 ), and a fix is available there, though it may need backport.
- Bug#1042517: i915: oops for NULL pointer dereference ... Mad Horse
- Bug#1042517: Acknowledgement (i915: oops for NUL... Mad Horse
- Bug#1042517: Info received (Bug#1042517: Acknowl... Mad Horse
- Bug#1042517: Mad Horse
- Bug#1042517: Salvatore Bonaccorso
