OSV-2021-1775 Heap-buffer-overflow in hfs_dir_open_meta_cb

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43040 Crash type: Heap-buffer-overflow READ 1 Crash state: hfsdiropenmetacb hfscattraverse hfsdiropenmeta...