[subset] fuzzer fix: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40406

2021-10-27 14:36:02 -07:00 · 2021-10-27 14:36:02 -07:00 · 85deddb16e
parent de9424172d
commit 85deddb16e
2 changed files with 1 additions and 0 deletions
--- a/src/hb-ot-color-colr-table.hh
+++ b/src/hb-ot-color-colr-table.hh
@ -971,6 +971,7 @@ struct ClipList
                                   const hb_map_t& gid_offset_map) const
  {
    TRACE_SERIALIZE (this);
+    if (gids.is_empty ()) return_trace (0);
    unsigned count  = 0;

    hb_codepoint_t start_gid= gids.get_min ();
--- a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6315334756335616
+++ b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6315334756335616