From: Paolo Abeni
Date: Thu, 21 Jun 2018 20:02:16 +0200
> If flower filter is created without the skip_sw flag, fl_mask_put()
> can race with fl_classify() and we can destroy the mask rhashtable
> while a lookup operation is accessing it.
...
> Fix the above waiting for a RCU grace period before
Thu, Jun 21, 2018 at 08:02:16PM CEST, pab...@redhat.com wrote:
>If flower filter is created without the skip_sw flag, fl_mask_put()
>can race with fl_classify() and we can destroy the mask rhashtable
>while a lookup operation is accessing it.
>
> BUG: unable to handle kernel paging request at 0
If flower filter is created without the skip_sw flag, fl_mask_put()
can race with fl_classify() and we can destroy the mask rhashtable
while a lookup operation is accessing it.
BUG: unable to handle kernel paging request at 000911d1
PGD 0 P4D 0
SMP PTI
CPU: 3 PID: 5582 Comm: vhost-5541