The patch fixing this issue was backported to linux-stable 4.9 as 2cfdf4fd3292d05eeca5d59307bf231b94df1d4b and is available in Linux 4.9.32.
-- Tulio Magno
- Bug#868902: Backported patch Tulio Magno Quites Machado Filho
- Bug#868902: Backported patch Salvatore Bonaccorso
