| Index: third_party/libopenjpeg20/tcd.c
|
| diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c
|
| index 673633c09bc1601d6d4ea4c6fa59740e5b06d9b7..cd1c43921d4b9f77b559611d4bf4f6c73b57de20 100644
|
| --- a/third_party/libopenjpeg20/tcd.c
|
| +++ b/third_party/libopenjpeg20/tcd.c
|
| @@ -1150,6 +1150,7 @@ OPJ_UINT32 opj_tcd_get_decoded_tile_size ( opj_tcd_t *p_tcd )
|
| opj_tcd_tilecomp_t * l_tile_comp = 00;
|
| opj_tcd_resolution_t * l_res = 00;
|
| OPJ_UINT32 l_size_comp, l_remaining;
|
| + OPJ_UINT32 l_temp;
|
|
|
| l_tile_comp = p_tcd->tcd_image->tiles->comps;
|
| l_img_comp = p_tcd->image->comps;
|
| @@ -1167,7 +1168,18 @@ OPJ_UINT32 opj_tcd_get_decoded_tile_size ( opj_tcd_t *p_tcd )
|
| }
|
|
|
| l_res = l_tile_comp->resolutions + l_tile_comp->minimum_num_resolutions - 1;
|
| - l_data_size += l_size_comp * (OPJ_UINT32)((l_res->x1 - l_res->x0) * (l_res->y1 - l_res->y0));
|
| + l_temp = (OPJ_UINT32)((l_res->x1 - l_res->x0) * (l_res->y1 - l_res->y0)); /* x1*y1 can't overflow */
|
| +
|
| + if (l_size_comp && ((OPJ_UINT32)-1) / l_size_comp < l_temp) {
|
| + return (OPJ_UINT32)-1;
|
| + }
|
| + l_temp *= l_size_comp;
|
| +
|
| + if (l_temp > ((OPJ_UINT32)-1) - l_data_size) {
|
| + return (OPJ_UINT32)-1;
|
| + }
|
| + l_data_size += l_temp;
|
| +
|
| ++l_img_comp;
|
| ++l_tile_comp;
|
| }
|
| @@ -1362,7 +1374,7 @@ OPJ_BOOL opj_tcd_update_tile_data ( opj_tcd_t *p_tcd,
|
| OPJ_UINT32 l_stride, l_width,l_height;
|
|
|
| l_data_size = opj_tcd_get_decoded_tile_size(p_tcd);
|
| - if (l_data_size > p_dest_length) {
|
| + if (l_data_size == (OPJ_UINT32)-1 || l_data_size > p_dest_length) {
|
| return OPJ_FALSE;
|
| }
|
|
|
|
|