Re: [PATCH] iio: imu: kmx61: Fix TOCTOU race condition

[Maxwell Doose]

On Tue, May 12, 2026 at 10:25 AM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
>
> On Tue, May 12, 2026 at 6:17 PM Maxwell Doose <m32285159@xxxxxxxxx> wrote:
> >
> > On Tue May 12, 2026 at 7:03 AM CDT, Maxwell Doose wrote:
> > > A Time-of-check to Time-of-use race condition is present in
> > > kmx61_write_event_config(). Move the mutex_lock() call above it to fix
> > > it.
>
> I think you want to elaborate a bit more on this. Id est explain why
> ev_enable_state needs to be protected. Not everybody is willing to go
> to some site to read some AI reports and interpreted them.
>

Can do that for v2. I believe that it needs to be protected since
later we set ev_enable_state to false (basically right after). Could
be wrong of course, but Jonathan did confirm the TOCTOU.

best regards,
max



>
> > Reported-by: sashiko <sashiko-bot@xxxxxxxxxx>
> > Closes: https://sashiko.dev/#/patchset/20260507223337.48437-1-m32285159%40gmail.com
>
>
> --
> With Best Regards,
> Andy Shevchenko