Re: [PATCH v2] media: vcodec: Fix potential array out-of-bounds in encoder queue_setup

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On Thu, Aug 10, 2023 at 12:12:39PM +0300, Eugen Hristev wrote:
> Hi Wei,
> 
> On 8/10/23 11:23, Wei Chen wrote:
> > variable *nplanes is provided by user via system call argument. The
> > possible value of q_data->fmt->num_planes is 1-3, while the value
> > of *nplanes can be 1-8. The array access by index i can cause array
> > out-of-bounds.
> > 
> > Fix this bug by checking *nplanes against the array size.
> > 
> > Fixes: 4e855a6efa54 ("[media] vcodec: mediatek: Add Mediatek V4L2 Video Encoder Driver")
> > Signed-off-by: Wei Chen <harperchen1110@xxxxxxxxx>
> > Cc: stable@xxxxxxxxxxxxxxx
> > ---
> > Changes in v2:
> > - Add Fixes tag and CC stable email address
> I guess stable needs to be added by the maintainer, not by the submitter

It's easiest if it is added by the submitter, makes the maintainer's job
much easier.

thanks,

greg k-h



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