ffmpeg/ffmpeg_AV_CODEC_ID_MSS2_fuzzer: Index-out-of-bounds in vc1_decode_ac_coeff

Project: https://git.ffmpeg.org/ffmpeg.git Detailed report: https://oss-fuzz.com/testcase?key=5666071933091840 Project: ffmpeg Fuzzer: libFuzzerffmpegAVCODECIDMSS2fuzzer Fuzz target binary: ffmpegAVCODECIDMSS2fuzzer Job Type: libfuzzerubsanffmpeg Platform Id: linux Crash Type: Index-out-of-bounds...