ibus/ibus-1385349-segv-bus-proxy.patch
2017-07-27 15:02:12 +09:00

112 lines
3.9 KiB
Diff

From ddb7cb30f10b1d1e40ae4b6c46583941545412d8 Mon Sep 17 00:00:00 2001
From: fujiwarat <takao.fujiwara1@gmail.com>
Date: Wed, 26 Jul 2017 21:41:13 +0900
Subject: [PATCH] bus: Fix SEGV in bus_panel_proxy_focus_in()
BUG=rhbz#1349148
BUG=rhbz#1385349
BUG=rhbz#1350291
---
bus/dbusimpl.c | 14 +++++++++++---
bus/ibusimpl.c | 22 +++++++++++++++++++---
2 files changed, 30 insertions(+), 6 deletions(-)
diff --git a/bus/dbusimpl.c b/bus/dbusimpl.c
index b54ef81..4a60391 100644
--- a/bus/dbusimpl.c
+++ b/bus/dbusimpl.c
@@ -2,7 +2,8 @@
/* vim:set et sts=4: */
/* ibus - The Input Bus
* Copyright (C) 2008-2013 Peng Huang <shawn.p.huang@gmail.com>
- * Copyright (C) 2008-2013 Red Hat, Inc.
+ * Copyright (C) 2015-2017 Takao Fujiwara <takao.fujiwara1@gmail.com>
+ * Copyright (C) 2008-2017 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -1464,13 +1465,20 @@ bus_dbus_impl_connection_filter_cb (GDBusConnection *dbus_connection,
gboolean incoming,
gpointer user_data)
{
+ BusDBusImpl *dbus;
+ BusConnection *connection;
+
g_assert (G_IS_DBUS_CONNECTION (dbus_connection));
g_assert (G_IS_DBUS_MESSAGE (message));
g_assert (BUS_IS_DBUS_IMPL (user_data));
- BusDBusImpl *dbus = (BusDBusImpl *) user_data;
- BusConnection *connection = bus_connection_lookup (dbus_connection);
+ if (g_dbus_connection_is_closed (dbus_connection))
+ return NULL;
+
+ dbus = (BusDBusImpl *) user_data;
+ connection = bus_connection_lookup (dbus_connection);
g_assert (connection != NULL);
+ g_assert (BUS_IS_CONNECTION (connection));
if (incoming) {
/* is incoming message */
diff --git a/bus/ibusimpl.c b/bus/ibusimpl.c
index f99307a..2d43ff6 100644
--- a/bus/ibusimpl.c
+++ b/bus/ibusimpl.c
@@ -2,7 +2,8 @@
/* vim:set et sts=4: */
/* ibus - The Input Bus
* Copyright (C) 2008-2013 Peng Huang <shawn.p.huang@gmail.com>
- * Copyright (C) 2008-2013 Red Hat, Inc.
+ * Copyright (C) 2015-2017 Takao Fujiwara <takao.fujiwara1@gmail.com>
+ * Copyright (C) 2008-2017 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -323,11 +324,14 @@ _dbus_name_owner_changed_cb (BusDBusImpl *dbus,
g_assert (new_name != NULL);
g_assert (BUS_IS_IBUS_IMPL (ibus));
- if (g_strcmp0 (name, IBUS_SERVICE_PANEL) == 0) {
+ do {
+ if (g_strcmp0 (name, IBUS_SERVICE_PANEL) != 0)
+ break;
if (g_strcmp0 (new_name, "") != 0) {
/* a Panel process is started. */
BusConnection *connection;
BusInputContext *context = NULL;
+ GDBusConnection *dbus_connection = NULL;
if (ibus->panel != NULL) {
ibus_proxy_destroy ((IBusProxy *) ibus->panel);
@@ -338,6 +342,18 @@ _dbus_name_owner_changed_cb (BusDBusImpl *dbus,
connection = bus_dbus_impl_get_connection_by_name (BUS_DEFAULT_DBUS, new_name);
g_return_if_fail (connection != NULL);
+ dbus_connection = bus_connection_get_dbus_connection (connection);
+
+ /* rhbz#1349148 rhbz#1385349
+ * Avoid SEGV of BUS_IS_PANEL_PROXY (ibus->panel)
+ * This function is called during destroying the connection
+ * in this case? */
+ if (dbus_connection == NULL ||
+ g_dbus_connection_is_closed (dbus_connection)) {
+ new_name = "";
+ break;
+ }
+
ibus->panel = bus_panel_proxy_new (connection);
g_signal_connect (ibus->panel,
@@ -366,7 +382,7 @@ _dbus_name_owner_changed_cb (BusDBusImpl *dbus,
}
}
}
- }
+ } while (0);
bus_ibus_impl_component_name_owner_changed (ibus, name, old_name, new_name);
}
--
2.9.3