On Wed, Apr 9, 2025 at 8:54 PM Brian Norris <briannorris@xxxxxxxxxxxx> wrote:
>
> From: Brian Norris <briannorris@xxxxxxxxxx>
>
> It's possible to trigger use-after-free here by:
> (a) forcing rescan_work_func() to take a long time and
> (b) utilizing a pwrctrl driver that may be unloaded for some reason.
>
> I'm unlucky to trigger both of these in development. It's likely much
> more difficult to hit this in practice.
>
> Anyway, we should ensure our work is finished before we allow our data
> structures to be cleaned up.
>
> Fixes: 8f62819aaace ("PCI/pwrctl: Rescan bus on a separate thread")
> Cc: Konrad Dybcio <konradybcio@xxxxxxxxxx>
> Cc: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> Signed-off-by: Brian Norris <briannorris@xxxxxxxxxx>
> Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
> ---
>
Sorry, it fell off my radar.
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
