On 2018年01月26日 07:36, Michael S. Tsirkin wrote:
This fixes a bunch of issues around ptr_ring use in net core. One of these: "tap: fix use-after-free" is also needed on net, but can't be backported cleanly. I will post a net patch separately. Lightly tested - Jason, could you pls confirm this addresses the security issue you saw with ptr_ring? Testing reports would be appreciated too.
With the reproducer provided by syzbot, the problem has been fixed. Thanks