imagemagick:encoder_ptif_fuzzer: Use-of-uninitialized-value in IdentifyImageGray

Project: https://github.com/imagemagick/imagemagick.git Detailed Report: https://oss-fuzz.com/testcase?key=5656605204217856 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoderptiffuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type: Use-of-uninitialized-value...