grok:grk_decompress_fuzzer: Crash in grk::SparseBuffer<6u, 6u>::read_or_write

Detailed Report: https://oss-fuzz.com/testcase?key=6267600499376128 Project: grok Fuzzing Engine: afl Fuzz Target: grkdecompressfuzzer Job Type: aflasangrok Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x000000003c2c Crash State: grk::SparseBuffer::readorwrite grk::SparseBuffer::rea...

OSV-2020-2069 UNKNOWN READ in grk::SparseBuffer<6u, 6u>::read_or_write

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26322 Crash type: UNKNOWN READ Crash state: grk::SparseBuffer::readorwrite grk::SparseBuffer::read bool grk::decodepartialtile...