A simple modification of your bed liner makes it ideal for attaching an Adventure Truck Tent to it.  All you have to do is to drill 7 small holes per side as shown in the photos below.  The Adventure Truck Tent has an inner side flap with straps with small hooks (7 per side) that will then attach to the top of the holes.

You should use a Use 7/8” or 1” drill bit.
Click on any photo for a larger view
 

Horizontal Position of Holes:  The horizontal position for each hole is shown below, and is measured from the front edge of the top of the forward cargo box wall, measuring aft along the side, to the specific numbered position.
 

Now you have a perfect fit!