libvpx:vpx_enc_fuzzer_vp9_nalloc: Use-of-uninitialized-value in vpx_variance64x64_avx2

Project: https://chromium.googlesource.com/webm/libvpx Detailed Report: https://oss-fuzz.com/testcase?key=6470101907079168 Project: libvpx Fuzzing Engine: libFuzzer Fuzz Target: vpxencfuzzervp9nalloc Job Type: libfuzzermsanlibvpx Platform Id: linux Crash Type: Use-of-uninitialized-value Crash...