From 3f3b4a9db31af279e793229177b63ea201e24629 Mon Sep 17 00:00:00 2001
From: Chris Salls <salls@cs.ucsb.edu>
Date: Fri, 7 Apr 2017 23:48:11 -0700
Subject: [PATCH] mm/mempolicy.c: fix error handling in set_mempolicy and
 mbind.

commit cf01fb9985e8deb25ccf0ea54d916b8871ae0e62 upstream.

In the case that compat_get_bitmap fails we do not want to copy the
bitmap to the user as it will contain uninitialized stack data and leak
sensitive data.

Signed-off-by: Chris Salls <salls@cs.ucsb.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
Reading git-format-patch failed