OSV-2022-351 UNKNOWN READ in ref_stack_counttomark

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46705 Crash type: UNKNOWN READ Crash state: refstackcounttomark zcounttomark gsinterpret...

ghostscript:gstoraster_fuzzer: Crash in ref_stack_counttomark

Detailed Report: https://oss-fuzz.com/testcase?key=5704546019573760 Project: ghostscript Fuzzing Engine: libFuzzer Fuzz Target: gstorasterfuzzer Job Type: libfuzzerasanghostscript Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x6330000008d9 Crash State: refstackcounttomark zcounttoma...