properly get the length of the expected low bits
properly get the length of the expected low bits

schieb/angr,tyb0807/angr,f-prettyland/angr,iamahuman/angr,chubbymaggie/angr,schieb/angr,chubbymaggie/simuvex,angr/angr,f-prettyland/angr,chubbymaggie/simuvex,axt/angr,chubbymaggie/angr,f-prettyland/angr,angr/simuvex,angr/angr,tyb0807/angr,iamahuman/angr,tyb0807/angr,chubbymaggie/simuvex,chubbymaggie/angr,axt/angr,axt/angr,schieb/angr,iamahuman/angr,angr/angr