OSV-2022-367 Segv on unknown address in jxl::N_SSE4::WriteToU8Stage::ProcessRow

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46915 Crash type: Segv on unknown address Crash state: jxl::NSSE4::WriteToU8Stage::ProcessRow jxl::LowMemoryRenderPipeline::RenderRect jxl::LowMemoryRenderPipeline::ProcessBuffers...

OSV-2022-295 Use-of-uninitialized-value in unsigned long grk::N_SSE4::vscheduler<grk::N_SSE4::DecompressDcShiftIrrev>

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46241 Crash type: Use-of-uninitialized-value Crash state: unsigned long grk::NSSE4::vscheduler std::1::function::funcunsigned long grk::NSSE4::vschedulergrk::NSSE4:: tf::Executor::invoke...