| diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c |
| index 2fccff1..aebe9be 100644 |
| --- a/third_party/libopenjpeg20/tcd.c |
| +++ b/third_party/libopenjpeg20/tcd.c |
| @@ -727,7 +727,10 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, |
| l_tilec->x1 = opj_int_ceildiv(l_tile->x1, (OPJ_INT32)l_image_comp->dx); |
| l_tilec->y1 = opj_int_ceildiv(l_tile->y1, (OPJ_INT32)l_image_comp->dy); |
| /*fprintf(stderr, "\tTile compo border = %d,%d,%d,%d\n", l_tilec->x0, l_tilec->y0,l_tilec->x1,l_tilec->y1);*/ |
| - |
| + if (l_tilec->x0 >= l_tilec->x1 || l_tilec->y0 >= l_tilec->y1) { |
| + opj_event_msg(manager, EVT_ERROR, "Invalid tile data\n"); |
| + return OPJ_FALSE; |
| + } |
| /* compute l_data_size with overflow check */ |
| l_data_size = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0); |
| if ((((OPJ_UINT32)-1) / l_data_size) < (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0)) { |
