18484 		struct bpf_reg_state *old_reg, *cur_reg;  in stacksafe()  local
18519 		old_reg = scalar_reg_for_stack(env, &old->stack[spi]);  in stacksafe()
18521 		if (old_reg && cur_reg) {  in stacksafe()
18522 			if (!regsafe(env, old_reg, cur_reg, idmap, exact))  in stacksafe()
18563 			old_reg = &old->stack[spi].spilled_ptr;  in stacksafe()
18565 			if (old_reg->dynptr.type != cur_reg->dynptr.type ||  in stacksafe()
18566 			    old_reg->dynptr.first_slot != cur_reg->dynptr.first_slot ||  in stacksafe()
18567 			    !check_ids(old_reg->ref_obj_id, cur_reg->ref_obj_id, idmap))  in stacksafe()
18571 			old_reg = &old->stack[spi].spilled_ptr;  in stacksafe()
18579 			if (old_reg->iter.btf != cur_reg->iter.btf ||  in stacksafe()
18580 			    old_reg->iter.btf_id != cur_reg->iter.btf_id ||  in stacksafe()
18581 			    old_reg->iter.state != cur_reg->iter.state ||  in stacksafe()
18583 			    !check_ids(old_reg->ref_obj_id, cur_reg->ref_obj_id, idmap))  in stacksafe()
18587 			old_reg = &old->stack[spi].spilled_ptr;  in stacksafe()
18589 			if (!check_ids(old_reg->ref_obj_id, cur_reg->ref_obj_id, idmap) ||  in stacksafe()
18590 			    old_reg->irq.kfunc_class != cur_reg->irq.kfunc_class)  in stacksafe()