media: vivid: set min width/height to a value > 0
The capture DV timings capabilities allowed for a minimum width and height of 0. So passing a timings struct with 0 values is allowed and will later cause a division by zero. Ensure that the width and height must be >= 16 to avoid this. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Reported-by: syzbot+57c3d83d71187054d56f@syzkaller.appspotmail.com Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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@ -21,7 +21,7 @@ const struct v4l2_dv_timings_cap vivid_dv_timings_cap = {
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.type = V4L2_DV_BT_656_1120,
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/* keep this initialization for compatibility with GCC < 4.4.6 */
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.reserved = { 0 },
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V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 14000000, 775000000,
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V4L2_INIT_BT_TIMINGS(16, MAX_WIDTH, 16, MAX_HEIGHT, 14000000, 775000000,
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V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
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V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF,
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V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
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