When we allocate memory with gwp-asan, we call mprotect in

This api will return -1 when reaching system vm map limit, and then crash. I think we can handle this error silently, free the allocated address and return nullptr, just like what tcmalloc does in https://github.com/google/tcmalloc/blob/5034f8cecdbe559bf24e0ae7f7eb7c10b873ac9e/tcmalloc/guarded_page_allocator.cc#L94