libpng:libpng_read_fuzzer: Use-of-uninitialized-value in png_do_expand

Detailed Report: https://oss-fuzz.com/testcase?key=5179162188447744 Project: libpng Fuzzing Engine: libFuzzer Fuzz Target: libpngreadfuzzer Job Type: libfuzzermsanlibpng Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: pngdoexpand OSSFUZZpngdoreadtransformatio...