Re: [PATCH 0/5] Bluetooth: 6LoWPAN lifecycle fixes

[Luiz Augusto von Dentz]

Hi Cen,

On Mon, Sep 21, 2026 at 11:39 AM Cen Zhang <zzzccc427@xxxxxxxxx> wrote:
>
> 6LoWPAN shares L2CAP channels between connection setup, published peers
> and packet transmission, while teardown also schedules asynchronous
> cleanup. These paths currently disagree on when channel ownership, peer
> visibility and module lifetime end. The resulting failures range from
> leaked or unusable connections and peers surviving disable to transmit
> use-after-free and execution of unloaded module code.
>
> This series establishes a consistent ownership and teardown order across
> those paths. Shared L2CAP and workqueue changes provide the lifetime
> guarantees needed by the following 6LoWPAN changes, which make failed setup
> recoverable and stop users of a peer before releasing its resources.
> Keeping the changes together avoids fixing one lifetime while shortening
> another.
>
> The timer support adds one ordered workqueue per L2CAP connection and
> serializes that connection's channel timers.
>
> Assisted-by: LLM

Something suggests none of this was tested, as IPSP was never
mentioned once in this set.

-- 
Luiz Augusto von Dentz