third_party/libopenjpeg20/0006-tcd_init_tile.patch


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diff --git a/third_party/libopenjpeg20/tcd.c b/third_party/libopenjpeg20/tcd.c
index 1dd15405d..acc28dd55 100644
--- a/third_party/libopenjpeg20/tcd.c
+++ b/third_party/libopenjpeg20/tcd.c
@@ -818,6 +818,11 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
         if (isEncoder) {
             OPJ_SIZE_T l_tile_data_size;
 
+            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 */
             OPJ_SIZE_T w = (OPJ_SIZE_T)(l_tilec->x1 - l_tilec->x0);
             OPJ_SIZE_T h = (OPJ_SIZE_T)(l_tilec->y1 - l_tilec->y0);