On Tue, 30 Jun 2020 at 17:45, Jakub Sitnicki wrote:
>
> Iterating over BPF links attached to network namespace in pre_exit hook is
> not safe, even if there is just one. Once link gets auto-detached, that is
> its back-pointer to net object is set to NULL, the link can be released and
> freed with
On Tue, Jun 30, 2020 at 11:33 AM Jakub Sitnicki wrote:
>
> Iterating over BPF links attached to network namespace in pre_exit hook is
> not safe, even if there is just one. Once link gets auto-detached, that is
> its back-pointer to net object is set to NULL, the link can be released and
> freed w
On 6/30/20 9:45 AM, Jakub Sitnicki wrote:
Iterating over BPF links attached to network namespace in pre_exit hook is
not safe, even if there is just one. Once link gets auto-detached, that is
its back-pointer to net object is set to NULL, the link can be released and
freed without waiting on n
Iterating over BPF links attached to network namespace in pre_exit hook is
not safe, even if there is just one. Once link gets auto-detached, that is
its back-pointer to net object is set to NULL, the link can be released and
freed without waiting on netns_bpf_mutex, effectively causing the list
el
