you re right it was ghosting! i figured it out by accident after i posted here, when i decided to fix a button( unrelated to the gameplay at all ) that was broken and was stuck being pushed .that 1 button caused the ghosting ......thanks though!!
i can not void dash at all with my operator .its been 2 weeks since i noticed and i havent figure out why is this happening + my bullet jump isnt always working also( the keys i use for bullet jump are ctrl+ space ,and those keys work just fine seperatly in-game).so all this time i play without void dash and sometimes with broken bullet jump ). edit :its been fixed ..it was keyboard ghosting !!