kimageformats:kimgio_heif_fuzzer: Use-of-uninitialized-value in transform_4x4_luma_add_8_fallback

Detailed Report: https://oss-fuzz.com/testcase?key=4630502691700736 Project: kimageformats Fuzzing Engine: libFuzzer Fuzz Target: kimgioheiffuzzer Job Type: libfuzzermsankimageformats Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: transform4x4lumaadd8fallbac...