FWIW there is a proposal in the works to add page-based protection, which will allow unmapping the 0 page, restoring the trap-on-null-deref behavior that is imp

FWIW there is a proposal in the works to add page-based protection, which will allow unmapping the 0 page, restoring the trap-on-null-deref behavior that is important for many languages with safety checks. https://github.com/WebAssembly/memory-control https://github.com/WebAssembly/memory-control