media: v4l: ioctl: Validate num_planes for debug messages

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commit 7fe9f01c04 upstream.

The num_planes field in struct v4l2_pix_format_mplane is used in a loop
before validating it. As the use is printing a debug message in this case,
just cap the value to the maximum allowed.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org>      # for v4.12 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Sakari Ailus 2019-01-10 09:24:26 -05:00 • committed by Greg Kroah-Hartman

parent a2c7b24528

commit ab7cc27023

1 changed files with 3 additions and 1 deletions

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drivers/media/v4l2-core/v4l2-ioctl.c

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