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d3d11h265dec: Fix possible invalid memory access

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The number of element to copy should be num_tile_columns_minus1
and num_tile_rows_minus1.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1374>
This commit is contained in:
Seungha Yang 2020-06-25 19:41:52 +09:00 committed by GStreamer Merge Bot
parent 48ca7c7e93
commit 117f593cff
1 changed files with 4 additions and 2 deletions
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6
sys/d3d11/gstd3d11h265dec.c
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@ -958,10 +958,12 @@ gst_d3d11_h265_dec_picture_params_from_pps (GstD3D11H265Dec * self,
COPY_FIELD (num_tile_columns_minus1);
COPY_FIELD (num_tile_rows_minus1);
if (!pps->uniform_spacing_flag) {
for (i = 0; i < pps->num_tile_columns_minus1 + 1; i++)
for (i = 0; i < pps->num_tile_columns_minus1 &&
i < G_N_ELEMENTS (params->column_width_minus1); i++)
COPY_FIELD (column_width_minus1[i]);
for (i = 0; i < pps->num_tile_rows_minus1 + 1; i++)
for (i = 0; i < pps->num_tile_rows_minus1 &&
i < G_N_ELEMENTS (params->row_height_minus1); i++)
COPY_FIELD (row_height_minus1[i]);
}
}