Re: [PATCH] net/sched: dualpi2: clear stale classification on filter miss

[Eric Dumazet]

On Mon, Jun 8, 2026 at 5:37 PM Samuel Moelius
<sam.moelius@xxxxxxxxxxxxxxx> wrote:
>
> DualPI2 leaves previous classification state attached to an skb when
> filter classification returns no match.  The enqueue path can then act
> on stale state from an earlier classification attempt.
>
> A filter miss should fall back to the default path without reusing old
> per-packet classification data.
>
> Clear the classification result when the filter lookup does not match.
>
> Assisted-by: Codex:gpt-5.5-cyber-preview
> Signed-off-by: Samuel Moelius <sam.moelius@xxxxxxxxxxxxxxx>
> ---

We need a Fixes: tag

pw-bot: cr