Re: [PATCH] HID: core: Correctly handle ReportSize being zero

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On Tue, Sep 1, 2020 at 10:14 AM Jiri Kosina <jikos@xxxxxxxxxx> wrote:
>
> On Sat, 29 Aug 2020, Marc Zyngier wrote:
>
> > It appears that a ReportSize value of zero is legal, even if a bit
> > non-sensical. Most of the HID code seems to handle that gracefully,
> > except when computing the total size in bytes. When fed as input to
> > memset, this leads to some funky outcomes.
> >
> > Detect the corner case and correctly compute the size.
> >
> > Cc: stable@xxxxxxxxxxxxxxx
> > Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
>
> Thanks Marc; Benjamin will be pushing this patch through his regression
> testing machinery, and if all is good, I'll push it for 5.9-rc still.

Test results were good. I have now pushed this patch to for-5.9/upstream-fixes

Cheers,
Benjamin

>
> --
> Jiri Kosina
> SUSE Labs
>




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