diff --git a/src/hb-ot-color-colr-table.hh b/src/hb-ot-color-colr-table.hh
index 5722acba4..9f34e56fb 100644
--- 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 ();
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6315334756335616 b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6315334756335616
new file mode 100644
index 000000000..a7d8dda8e
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6315334756335616 differ