From: Jason Wang <hidden> Date: 2018-01-26 03:20:47
Also in:lkml
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