tree 489c199ef1c339aa7a64aef5d08c5c307f657945
parent 74235088732b125c0c1e7d5e8b8d3c0fd9422f31
author dcashman <dcashman@google.com> 1456349482 -0800
committer Kees Cook <keescook@google.com> 1458856931 -0700

BACKPORT: FROMLIST: mm: ASLR: use get_random_long()

(cherry picked from commit https://lkml.org/lkml/2016/2/4/833)

Replace calls to get_random_int() followed by a cast to (unsigned long)
with calls to get_random_long().  Also address shifting bug which, in case
of x86 removed entropy mask for mmap_rnd_bits values > 31 bits.

Signed-off-by: Daniel Cashman <dcashman@android.com>
Signed-off-by: Daniel Cashman <dcashman@google.com>

Bug: 27796957
Patchset: ASLR sysctl

Change-Id: I4dd21814bd7b7ede8faa8f058ccba7b61d45b5ab
Signed-off-by: Kees Cook <keescook@google.com>