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

On Mon, Mar 2, 2026 at 2:04 PM Sumit Garg <[email protected]> wrote:
>
> On Mon, Mar 02, 2026 at 01:59:35PM +0100, Jens Wiklander wrote:
> > 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.
>
> Yeah, feel free to add:
>
> Reviewed-by: Sumit Garg <[email protected]>

Thanks, I'm picking up this.

Cheers,
Jens