From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> This partially reverts 510b32b7156625b9df737c916b7a7a5c6fb285b9 since it still necessary to take a reference before calling dbus_watch_handle since internally it can call watch_info_free as in the following trace: Invalid read of size 8 at 0x121085: watch_func (mainloop.c:105) by 0x4C72694: g_main_context_dispatch (gmain.c:2539) by 0x4C729C7: g_main_context_iterate.isra.23 (gmain.c:3146) by 0x4C72DC1: g_main_loop_run (gmain.c:3340) by 0x120541: main (main.c:551) Address 0x5bbcd90 is 16 bytes inside a block of size 24 free'd at 0x4A079AE: free (vg_replace_malloc.c:427) by 0x4C7837E: g_free (gmem.c:252) by 0x4F708BF: dbus_watch_set_data (dbus-watch.c:614) by 0x4F70938: _dbus_watch_unref (dbus-watch.c:132) by 0x4F6E9A7: _dbus_transport_handle_watch (dbus-transport.c:884) by 0x4F59AFB: _dbus_connection_handle_watch (dbus-connection.c:1497) by 0x4F70AF9: dbus_watch_handle (dbus-watch.c:683) by 0x121084: watch_func (mainloop.c:103) by 0x4C72694: g_main_context_dispatch (gmain.c:2539) by 0x4C729C7: g_main_context_iterate.isra.23 (gmain.c:3146) by 0x4C72DC1: g_main_loop_run (gmain.c:3340) by 0x120541: main (main.c:551) --- gdbus/mainloop.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/gdbus/mainloop.c b/gdbus/mainloop.c index 435fb93..3e88eac 100644 --- a/gdbus/mainloop.c +++ b/gdbus/mainloop.c @@ -88,16 +88,22 @@ static gboolean watch_func(GIOChannel *chan, GIOCondition cond, gpointer data) struct watch_info *info = data; unsigned int flags = 0; DBusDispatchStatus status; + DBusConnection *conn; if (cond & G_IO_IN) flags |= DBUS_WATCH_READABLE; if (cond & G_IO_OUT) flags |= DBUS_WATCH_WRITABLE; if (cond & G_IO_HUP) flags |= DBUS_WATCH_HANGUP; if (cond & G_IO_ERR) flags |= DBUS_WATCH_ERROR; + /* Protect connection from being destroyed by dbus_watch_handle */ + conn = dbus_connection_ref(info->conn); + dbus_watch_handle(info->watch, flags); - status = dbus_connection_get_dispatch_status(info->conn); - queue_dispatch(info->conn, status); + status = dbus_connection_get_dispatch_status(conn); + queue_dispatch(conn, status); + + dbus_connection_unref(conn); return TRUE; } -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
