Problem description:
When applying a displacement map that makes icons inflate - icon starts mirroring itself inside. And i dont understand why.

Example:
https://i.imgur.com/jTPxgXo.png

Displacement map:
https://i.imgur.com/T5a0u3M.png

DM reference quote: "In the displacement map, pixels that have a higher red component will make the image appear to warp to the left, lower reds warp it to the right, and gray (r=128) will cause no horizontal warping. The green component affects the vertical: higher to warp upward, lower to warp downward. Transparent pixels in the displacement map will have no effect."

Why warping moves pixels that are not under displacement map but like "behind" warping effect? I thought displacement map moves pixels that are under it, not pixels around. Intended behaviour or bug?