ffmpeg: Memcpy-param-overlap in xan_wc3_copy_pixel_run

Project: https://git.ffmpeg.org/ffmpeg.git Detailed report: https://oss-fuzz.com/testcase?key=6393461273001984 Project: ffmpeg Fuzzer: libFuzzerffmpegAVCODECIDXANWC3fuzzer Fuzz target binary: ffmpegAVCODECIDXANWC3fuzzer Job Type: libfuzzerasanffmpeg Platform Id: linux Crash Type:...