ffmpeg: Heap-buffer-overflow in y41p_decode_frame

Project: https://git.ffmpeg.org/ffmpeg.git Detailed report: https://oss-fuzz.com/testcase?key=4569970002362368 Project: ffmpeg Fuzzer: libFuzzerffmpegAVCODECIDY41Pfuzzer Fuzz target binary: ffmpegAVCODECIDY41Pfuzzer Job Type: libfuzzerasanffmpeg Platform Id: linux Crash Type: Heap-buffer-overflow...