* src/truetype/ttgxvar.c (ft_var_to_normalized): Fix undefined left-shift.

Reported as https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63723
2023-12-14 06:11:43 +01:00 · 2023-12-14 06:11:43 +01:00 · 9bf72966ed
commit 9bf72966ed
parent 50740b37ba
1 changed files with 2 additions and 1 deletions
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@ -2141,7 +2141,8 @@
                                         outerIndex,
                                         innerIndex );

-	  v += delta << 2;
+          /* Convert to 16.16 format before adding. */
+	  v += delta * 4;

 	  /* Clamp value range. */
 	  v = v >=  0x10000L ?  0x10000 : v;