librawspeed: Use-after-poison in rawspeed::PentaxDecompressor::decompress

Project: https://github.com/darktable-org/rawspeed.git Detailed report: https://oss-fuzz.com/testcase?key=6284277756985344 Project: librawspeed Fuzzer: libFuzzerlibrawspeedTiffDecoderFuzzer-PefDecoder Fuzz target binary: TiffDecoderFuzzer-PefDecoder Job Type: libfuzzerasanlibrawspeed Platform Id:...