Re: [PATCH net v3 0/2] xfrm: iptfs: fix queued receive state lifetime

[Jakub Kicinski]

On Wed, 30 Sep 2026 10:33:05 +0530 Roshan Kumar wrote:
> IP-TFS can retain received skbs in its reorder window and reassembly state.
> Two lifetime problems interact in these paths: the shared drop timer
> does not track the two states independently, and retained skbs do not
> keep their input net_device alive.

  net/xfrm/xfrm_iptfs.c:1346:2-12: WARNING: NULL check before
  (net)dev_{put,hold} functions is not needed.