diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5072750494875648 b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5072750494875648
new file mode 100644
index 000000000..29ea91299
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5072750494875648 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5638729035677696 b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5638729035677696
new file mode 100644
index 000000000..0aaed32f9
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5638729035677696 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5643643755429888 b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5643643755429888
new file mode 100644
index 000000000..d18e3b556
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5643643755429888 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5644258942386176 b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5644258942386176
new file mode 100644
index 000000000..5e0fe470a
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5644258942386176 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5657878543728640 b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5657878543728640
new file mode 100644
index 000000000..897e4bce6
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5657878543728640 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5680362806575104 b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5680362806575104
new file mode 100644
index 000000000..51828e8bf
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5680362806575104 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5689920685867008 b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5689920685867008
new file mode 100644
index 000000000..4121e5abb
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-hb-shape-fuzzer-5689920685867008 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-hb-subset-fuzzer-5756332481708032 b/test/fuzzing/fonts/clusterfuzz-testcase-hb-subset-fuzzer-5756332481708032
new file mode 100644
index 000000000..99af4b9f3
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-hb-subset-fuzzer-5756332481708032 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5121706490593280 b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5121706490593280
new file mode 100644
index 000000000..d94f5a718
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5121706490593280 differ
diff --git a/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5759783999635456 b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5759783999635456
new file mode 100644
index 000000000..96775e9dd
Binary files /dev/null and b/test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5759783999635456 differ