grok:grk_decompress_fuzzer: Use-of-uninitialized-value in grk::GrkImage::postReadHeader

Project: https://github.com/GrokImageCompression/grok.git https://github.com/GrokImageCompression/grok-test-data.git Detailed Report: https://oss-fuzz.com/testcase?key=4905645688619008 Project: grok Fuzzing Engine: libFuzzer Fuzz Target: grkdecompressfuzzer Job Type: libfuzzermsangrok Platform Id...