OSV-2022-264 Heap-buffer-overflow in jxl::N_AVX2::BlendingStage::ProcessRow

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45822 Crash type: Heap-buffer-overflow READ 4 Crash state: jxl::NAVX2::BlendingStage::ProcessRow jxl::LowMemoryRenderPipeline::RenderRect jxl::LowMemoryRenderPipeline::ProcessBuffers...