* src/truetype/ttgxvar.c (tt_var_get_item_delta): Check `face->blend`.

Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55581
2 years ago · 9508811a3a
parent aec87c0955
commit 9508811a3a
1 changed files with 6 additions and 6 deletions
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@ -1004,16 +1004,16 @@
    GX_ItemVarData    varData;
    FT_ItemVarDelta*  deltaSet;

-    FT_UInt           master, j;
-    FT_Fixed*         scalars;
-    FT_ItemVarDelta   returnValue;
+    FT_UInt          master, j;
+    FT_Fixed*        scalars;
+    FT_ItemVarDelta  returnValue;


-    if ( !face->blend->normalizedcoords )
+    if ( !face->blend || !face->blend->normalizedcoords )
      return 0;

-    /* OpenType 1.8.4+: No variation data for this item
-     *  as indices have special value 0xFFFF. */
+    /* OpenType 1.8.4+: No variation data for this item */
+    /* as indices have special value 0xFFFF.            */
    if ( outerIndex == 0xFFFF && innerIndex == 0xFFFF )
      return 0;