OSV-2022-73 Heap-use-after-free in pdfi_cspace_free_callback

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43904 Crash type: Heap-use-after-free READ 8 Crash state: pdficspacefreecallback gscspacefinal allocrestorestepin...