On Wed 23 Sep 2020 at 06:56, Cong Wang wrote:
> syzbot is able to trigger a failure case inside the loop in
> tcf_action_init(), and when this happens we clean up with
> tcf_action_destroy(). But, as these actions are already inserted
> into the global IDR, other parallel process could free them
>
syzbot is able to trigger a failure case inside the loop in
tcf_action_init(), and when this happens we clean up with
tcf_action_destroy(). But, as these actions are already inserted
into the global IDR, other parallel process could free them
before tcf_action_destroy(), then we will trigger a use-