diff -Nru gnome-control-center-3.34.1/debian/changelog gnome-control-center-3.34.1/debian/changelog
--- gnome-control-center-3.34.1/debian/changelog	2019-10-07 15:25:32.000000000 +0000
+++ gnome-control-center-3.34.1/debian/changelog	2019-10-15 15:54:41.000000000 +0000
@@ -1,3 +1,11 @@
+gnome-control-center (1:3.34.1-1ubuntu2) eoan; urgency=medium
+
+  * debian/patches/gitlab_background_segfault.patch:
+    - patch from Robert Ancell to fix a segfault in the background panel
+      (lp: #1847103)
+
+ -- Sebastien Bacher <seb128@ubuntu.com>  Tue, 15 Oct 2019 17:52:51 +0200
+
 gnome-control-center (1:3.34.1-1ubuntu1) eoan; urgency=medium
 
   * Merge with debian unstable. Remaining changes:
diff -Nru gnome-control-center-3.34.1/debian/patches/gitlab_background_segfault.patch gnome-control-center-3.34.1/debian/patches/gitlab_background_segfault.patch
--- gnome-control-center-3.34.1/debian/patches/gitlab_background_segfault.patch	1970-01-01 00:00:00.000000000 +0000
+++ gnome-control-center-3.34.1/debian/patches/gitlab_background_segfault.patch	2019-10-15 15:54:46.000000000 +0000
@@ -0,0 +1,37 @@
+From 1319a67ee4c4fb4ac712e113114587fc59e8eb96 Mon Sep 17 00:00:00 2001
+From: Robert Ancell <robert.ancell@canonical.com>
+Date: Tue, 15 Oct 2019 17:03:58 +1300
+Subject: [PATCH] background: Fix crash if a BgRecentSource is unreffed during
+ an async operation
+
+The BG_RECENT_SOURCE (user_data) call was done before it was checked if is was
+cancelled. At this point user_data is pointing to an object that has been deleted.
+
+Fixes #729
+---
+ panels/background/bg-recent-source.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/panels/background/bg-recent-source.c b/panels/background/bg-recent-source.c
+index 44eec5564..13e583fdc 100644
+--- a/panels/background/bg-recent-source.c
++++ b/panels/background/bg-recent-source.c
+@@ -264,7 +264,7 @@ enumerate_children_finished_cb (GObject      *source,
+                                 GAsyncResult *result,
+                                 gpointer      user_data)
+ {
+-  BgRecentSource *self = BG_RECENT_SOURCE (user_data);
++  BgRecentSource *self;
+   g_autoptr(GFileEnumerator) enumerator = NULL;
+   g_autoptr(GError) error = NULL;
+ 
+@@ -277,6 +277,7 @@ enumerate_children_finished_cb (GObject      *source,
+       return;
+     }
+ 
++  self = BG_RECENT_SOURCE (user_data);
+   g_file_enumerator_next_files_async (enumerator,
+                                       G_MAXINT,
+                                       G_PRIORITY_DEFAULT,
+-- 
+
diff -Nru gnome-control-center-3.34.1/debian/patches/series gnome-control-center-3.34.1/debian/patches/series
--- gnome-control-center-3.34.1/debian/patches/series	2019-10-07 15:22:21.000000000 +0000
+++ gnome-control-center-3.34.1/debian/patches/series	2019-10-15 15:54:46.000000000 +0000
@@ -25,3 +25,4 @@
 0008-applications-Add-hack-detect-snaps-before-X-SnapInst.patch
 display-Support-UI-scaled-logical-monitor-mode.patch
 ubuntu_privacy_hide_buggy_controls.patch
+gitlab_background_segfault.patch