From bee98f757e7e8d1f17160ac85c489e679e6ed908 Mon Sep 17 00:00:00 2001
From: Michael Terry <mike@mterry.name>
Date: Mon, 11 Apr 2011 09:52:08 -0400
Subject: catch one more cancel-before-accessing freed memory instance -- this
 one resulting in a double free

---
 src/application-service-appstore.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/application-service-appstore.c b/src/application-service-appstore.c
index 3e827d5..4e32122 100644
--- a/src/application-service-appstore.c
+++ b/src/application-service-appstore.c
@@ -1110,6 +1110,11 @@ props_cb (GObject * object, GAsyncResult * res, gpointer user_data)
 
 	GDBusProxy * proxy = g_dbus_proxy_new_for_bus_finish(res, &error);
 
+	if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
+		g_error_free (error);
+		return; // Must exit before accessing freed memory
+	}
+
 	if (app->props_cancel != NULL) {
 		g_object_unref(app->props_cancel);
 		app->props_cancel = NULL;
-- 
cgit v1.2.3