1 diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c 2 index 9270efe..06eee4e 100644 3 --- a/third_party/libopenjpeg20/tcd.c 4 +++ b/third_party/libopenjpeg20/tcd.c 5 @@ -706,9 +706,16 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, 6 l_tx0 = l_cp->tx0 + p * l_cp->tdx; /* can't be greater than l_image->x1 so won't overflow */ 7 l_tile->x0 = (OPJ_INT32)opj_uint_max(l_tx0, l_image->x0); 8 l_tile->x1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_tx0, l_cp->tdx), l_image->x1); 9 + if (l_tile->x0 < 0 || l_tile->x1 < 0) { 10 + return OPJ_FALSE; 11 + } 12 + 13 l_ty0 = l_cp->ty0 + q * l_cp->tdy; /* can't be greater than l_image->y1 so won't overflow */ 14 l_tile->y0 = (OPJ_INT32)opj_uint_max(l_ty0, l_image->y0); 15 l_tile->y1 = (OPJ_INT32)opj_uint_min(opj_uint_adds(l_ty0, l_cp->tdy), l_image->y1); 16 + if (l_tile->y0 < 0 || l_tile->y1 < 0) { 17 + return OPJ_FALSE; 18 + } 19 20 /* testcase 1888.pdf.asan.35.988 */ 21 if (l_tccp->numresolutions == 0) { 22
