[subset] check pending/subsetted tag sets for alloc failure.

2022-12-13 22:04:19 +00:00 · 2022-12-13 22:04:19 +00:00 · b5acde43ed
parent 79285a9983
commit b5acde43ed
2 changed files with 6 additions and 1 deletions
--- a/src/hb-subset.cc
+++ b/src/hb-subset.cc
@ -590,10 +590,15 @@ hb_subset_plan_execute_or_fail (hb_subset_plan_t *plan)

  while (!pending_subset_tags.is_empty ())
  {
+    if (subsetted_tags.in_error ()
+        || pending_subset_tags.in_error ()) {
+      success = false;
+      goto end;
+    }
+
    bool made_changes = false;
    for (hb_tag_t tag : pending_subset_tags)
    {
-
      if (!_dependencies_satisfied (plan, tag,
                                    subsetted_tags,
                                    pending_subset_tags))
--- a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6164014466203648
+++ b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6164014466203648