diff -Nru ibus-1.5.14/debian/changelog ibus-1.5.14/debian/changelog
--- ibus-1.5.14/debian/changelog	2016-12-12 14:26:38.000000000 +0000
+++ ibus-1.5.14/debian/changelog	2018-05-08 14:07:31.000000000 +0000
@@ -1,3 +1,11 @@
+ibus (1.5.14-2ubuntu2) xenial; urgency=medium
+
+  * debian/patches/ubuntu-conditional-chmod.patch: backport an upstream commit
+    to make a call to chmod conditional, to avoid apparmor denials for confined
+    apps (e.g. snaps) that use libibus (LP: #1761585)
+
+ -- Olivier Tilloy <olivier.tilloy@canonical.com>  Tue, 08 May 2018 16:07:31 +0200
+
 ibus (1.5.14-2ubuntu1) zesty; urgency=medium
 
   * Merge with Debian, remaining changes:
diff -Nru ibus-1.5.14/debian/patches/series ibus-1.5.14/debian/patches/series
--- ibus-1.5.14/debian/patches/series	2016-12-12 14:24:16.000000000 +0000
+++ ibus-1.5.14/debian/patches/series	2018-05-08 14:07:31.000000000 +0000
@@ -17,3 +17,4 @@
 ubuntu-no-notification.patch
 ubuntu-disable-trigger.patch
 ubuntu-forward-panel-properties.patch
+ubuntu-conditional-chmod.patch
diff -Nru ibus-1.5.14/debian/patches/ubuntu-conditional-chmod.patch ibus-1.5.14/debian/patches/ubuntu-conditional-chmod.patch
--- ibus-1.5.14/debian/patches/ubuntu-conditional-chmod.patch	1970-01-01 00:00:00.000000000 +0000
+++ ibus-1.5.14/debian/patches/ubuntu-conditional-chmod.patch	2018-05-08 14:07:31.000000000 +0000
@@ -0,0 +1,27 @@
+Description: Make the call to chmod in ibus_bus_init conditional
+Author: Olivier Tilloy <olivier.tilloy@canonical.com>
+Origin: https://github.com/ibus/ibus/commit/28d0c1d4bc47beb38995d84cc4bb1d539c08a070
+Bug: https://github.com/ibus/ibus/issues/1996
+Bug-Ubuntu: https://launchpad.net/bugs/1761585
+
+Index: ibus-1.5.14/src/ibusbus.c
+===================================================================
+--- ibus-1.5.14.orig/src/ibusbus.c
++++ ibus-1.5.14/src/ibusbus.c
+@@ -449,13 +449,15 @@ ibus_bus_init (IBusBus *bus)
+     path = g_path_get_dirname (ibus_get_socket_path ());
+ 
+     g_mkdir_with_parents (path, 0700);
+-    g_chmod (path, 0700);
+ 
+     if (stat (path, &buf) == 0) {
+         if (buf.st_uid != getuid ()) {
+             g_warning ("The owner of %s is not %s!", path, ibus_get_user_name ());
+             return;
+         }
++        if (buf.st_mode != (S_IFDIR | S_IRWXU)) {
++            g_chmod (path, 0700);
++        }
+     }
+ 
+     file = g_file_new_for_path (ibus_get_socket_path ());