fix oss-fuzz issue 14345

2019-04-18 14:53:35 -07:00 · 2019-04-18 14:53:35 -07:00 · ba0386060d
commit ba0386060d
parent 63a2108480
2 changed files with 2 additions and 1 deletions
--- a/src/hb-ot-cff1-table.hh
+++ b/src/hb-ot-cff1-table.hh
@ -110,7 +110,8 @@ struct Encoding1 {
    {
      if (glyph <= ranges[i].nLeft)
      {
-	return (hb_codepoint_t)ranges[i].first + glyph;
+	hb_codepoint_t code = (hb_codepoint_t)ranges[i].first + glyph;
+	return (likely (code < 0x100)? code: CFF_UNDEF_CODE);
      }
      glyph -= (ranges[i].nLeft + 1);
    }
--- a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5923632099885056
+++ b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5923632099885056