Re: [PATCH v2] media: uvcvideo: Fix OOB read

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Hi Thorsten

On Wed, 26 Jul 2023 at 10:33, Thorsten Leemhuis <linux@xxxxxxxxxxxxx> wrote:
>
> On 26.07.23 10:07, Laurent Pinchart wrote:
> > (CC'ing Kai and Thorsten who have added the check to checkpatch)
> >
> > On Wed, Jul 26, 2023 at 08:24:50AM +0200, Ricardo Ribalda wrote:
> >> On Tue, 25 Jul 2023 at 23:34, Laurent Pinchart wrote:
> >>> On Thu, Jul 20, 2023 at 05:46:54PM +0000, Ricardo Ribalda wrote:
> >>>> If the index provided by the user is bigger than the mask size, we might do an
> >>>> out of bound read.
> >>>>
> >>>> CC: stable@xxxxxxxxxx
> >>>> Fixes: 40140eda661e ("media: uvcvideo: Implement mask for V4L2_CTRL_TYPE_MENU")
> >>>> Reported-by: Zubin Mithra <zsm@xxxxxxxxxxxx>
> >>>
> >>> checkpatch now requests a Reported-by tag to be immediately followed by
> >>> a Closes
>
> Not that it matters, the changes I performed only required a Link: tag,
> which is how things should have been done for many years already. It
> later became Closes: due to patches from Matthieu. But whatever. :-D
>

I prefer to leave the Reported-by and remove the Closes, that way we
credit the reporter (assuming they approved to be referred).

But if that is not possible, just remove the reported-by. A private
link is pretty much noise on the tree.

Thanks!

> >>> tag that contains the URL to the report. Could you please
> >>> provide that ?
> >> I saw that, but the URL is kind of private:
> >> Closes: http://issuetracker.google.com/issues/289975230
> > Ah :-S I wonder if we should drop the Reported-by tag then ?
>
> That's what I do, unless the reporter granted his permission. To quote
> Documentation/process/5.Posting.rst : ```Be careful in the addition of
> tags to your patches, as only Cc: is appropriate for addition without
> the explicit permission of the person named; using Reported-by: is fine
> most of the time as well, but ask for permission if the bug was reported
> in private.```
>
> I heard of on instance where a GDPR complaint was filed due to a
> Reported-by: tag. So maybe that part should be even revisited reg. the
> Cc: aspect. :-/
>
> Ciao, Thorsten



-- 
Ricardo Ribalda



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