!8 fix CVE-2020-16125

From: @angela7
Reviewed-by: @small_leek
Signed-off-by: @small_leek

display-Use-autoptr-to-handle-errors-in-look-for-exi.patch

@@ -0,0 +1,58 @@
+From 4e6e5335d29c039bed820c43bfd1c19cb62539ff Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Marco=20Trevisan=20=28Trevi=C3=B1o=29?= <mail@3v1n0.net>
+Date: Tue, 27 Oct 2020 15:38:28 +0100
+Subject: [PATCH] display: Use autoptr to handle errors in look for existing
+ users
+
+It will make things just cleaner
+---
+ daemon/gdm-display.c | 15 ++++++---------
+ 1 file changed, 6 insertions(+), 9 deletions(-)
+
+diff --git a/daemon/gdm-display.c b/daemon/gdm-display.c
+index 5e193f2..a65cbf1 100644
+--- a/daemon/gdm-display.c
++++ b/daemon/gdm-display.c
+@@ -539,9 +539,9 @@ gdm_display_real_prepare (GdmDisplay *self)
+ static void
+ look_for_existing_users_sync (GdmDisplay *self)
+ {
+-        GError *error = NULL;
+-        GVariant *call_result;
+-        GVariant *user_list;
++        g_autoptr(GError) error = NULL;
++        g_autoptr(GVariant) call_result = NULL;
++        g_autoptr(GVariant) user_list = NULL;
+ 
+         self->priv->accountsservice_proxy = g_dbus_proxy_new_sync (self->priv->connection,
+                                                                    0, NULL,
+@@ -553,7 +553,7 @@ look_for_existing_users_sync (GdmDisplay *self)
+ 
+         if (!self->priv->accountsservice_proxy) {
+                 g_warning ("Failed to contact accountsservice: %s", error->message);
+-                goto out;
++                return FALSE;
+         }
+ 
+         call_result = g_dbus_proxy_call_sync (self->priv->accountsservice_proxy,
+@@ -566,15 +566,12 @@ look_for_existing_users_sync (GdmDisplay *self)
+ 
+         if (!call_result) {
+                 g_warning ("Failed to list cached users: %s", error->message);
+-                goto out;
++                return FALSE;
+         }
+ 
+         g_variant_get (call_result, "(@ao)", &user_list);
+         self->priv->have_existing_user_accounts = g_variant_n_children (user_list) > 0;
+-        g_variant_unref (user_list);
+-        g_variant_unref (call_result);
+-out:
+-        g_clear_error (&error);
++        return TRUE;
+ }
+ 
+ gboolean
+-- 
+1.8.3.1
+

gdm.spec

@@ -1,12 +1,13 @@
 Name:             gdm
 Epoch:            1
 Version:          3.30.1
-Release:          7
+Release:          8
 Summary:          A graphical display manager
 License:          GPLv2+
 URL:              https://wiki.gnome.org/Projects/GDM
 Source0:          http://download.gnome.org/sources/gdm/3.30/gdm-%{version}.tar.xz
-Patch9000:        9000-add-openeuler-pam-config.patch
+Patch0:           9000-add-openeuler-pam-config.patch
+Patch1:           display-Use-autoptr-to-handle-errors-in-look-for-exi.patch 
 
 BuildRequires:    pam-devel >= 0:0.99.8.1-11 desktop-file-utils >= 0.2.90
 BuildRequires:    libtool automake autoconf libattr-devel gettext-devel libdmx-devel
@@ -161,6 +162,9 @@ fi
 %{_libdir}/pkgconfig/*.pc
 
 %changelog
+* Tue Jan 14 2020 openEuler Buildteam <buildteam@openeuler.org> - 1:3.30.1-8
+- fix CVE-2020-16125
+
 * Tue Jan 14 2020 openEuler Buildteam <buildteam@openeuler.org> - 1:3.30.1-7
 - Type:bugfix
 - Id:NA