Re: [PATCH v5] tee: optee: prevent use-after-free when the client exits before the supplicant

Hi,

On Wed, Feb 25, 2026 at 8:54 AM Yuanjia Yeh <[email protected]> wrote:
>
> Hi all,
>
> We can reproduce the reported use-after-free issue on our platform via an
> overnight reboot test
>
> The verifications are listed as the following
>
> - With v2 + Michael Wu's patch: Issue resolved.
> - With v4: Race condition observation and already report to Amir
> - With v5: Race fixed. Stable in our tests, including:
>       xtest + reboot loop (300 cycles)
>       continuous reboot test (1000 cycles)
>
>   No regressions observed with v5.
>
> If there are no other concerns, we recommend adopting v5.
>
> If needed, please add the following tag:
> Tested-by: Ox Yeh <[email protected]>
>
> Yuanjia Yeh

Thanks for testing. Sumit, with this Tested-by are, you OK with the
patch? I've tested it locally and it doesn't break anything for me.

Cheers,
Jens