gdal: Heap-buffer-overflow in GTiffDataset::IsBlockAvailable

Project: https://github.com/OSGeo/gdal.git Detailed report: https://oss-fuzz.com/testcase?key=4688815685894144 Project: gdal Fuzzer: libFuzzergdaltranslatefuzzer Job Type: libfuzzerasangdal Platform Id: linux Crash Type: Heap-buffer-overflow READ 8 Crash Address: 0x60300000d8b8 Crash State:...