OSV-2022-18 UNKNOWN READ in gx_restrict_Pattern

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43354 Crash type: UNKNOWN READ Crash state: gxrestrictPattern gssetcolor pdfigssetrgbcolor...

ghostscript:gstoraster_fuzzer: Crash in gx_restrict_Pattern

Detailed Report: https://oss-fuzz.com/testcase?key=6595842935488512 Project: ghostscript Fuzzing Engine: libFuzzer Fuzz Target: gstorasterfuzzer Job Type: libfuzzerasanghostscript Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x0000ceff800d Crash State: gxrestrictPattern gssetcolor...