Rebuttal of arguments for W^X
(cont.)
n
PaX does not violate POSIX by restricting
mprotect()
n
“If an implementation cannot support the
combination of access types specified by
prot
, the
call to
mprotect
() shall fail.”
n
http://www.opengroup.org/onlinepubs/007904975/f
unctions/mprotect.html