Thaddäus Tintenfisch has proposed merging
lp:~thad-fisch/lightdm-gtk-greeter/mlockall into lp:lightdm-gtk-greeter.
Requested reviews:
LightDM Gtk+ Greeter Development Team (lightdm-gtk-greeter-team)
For more details, see:
https://code.launchpad.net/~thad-fisch/lightdm-gtk-greeter/mlockall/+merge/207792
This is a security related change.
Reference:
http://bazaar.launchpad.net/~unity-greeter-team/unity-greeter/trunk/view/head:/src/unity-greeter.vala#L431
--
https://code.launchpad.net/~thad-fisch/lightdm-gtk-greeter/mlockall/+merge/207792
Your team LightDM Gtk+ Greeter Development Team is requested to review the
proposed merge of lp:~thad-fisch/lightdm-gtk-greeter/mlockall into
lp:lightdm-gtk-greeter.
=== modified file 'src/lightdm-gtk-greeter.c'
--- src/lightdm-gtk-greeter.c 2014-02-22 14:52:45 +0000
+++ src/lightdm-gtk-greeter.c 2014-02-22 15:26:35 +0000
@@ -21,6 +21,7 @@
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <cairo-xlib.h>
+#include <sys/mman.h>
#include <sys/wait.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
@@ -2257,6 +2258,9 @@
GPid indicator_pid = 0, spi_pid = 0;
#endif
+ /* Prevent memory from being swapped out, as we are dealing with passwords */
+ mlockall (MCL_CURRENT | MCL_FUTURE);
+
/* Disable global menus */
g_unsetenv ("UBUNTU_MENUPROXY");
--
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