query_addr_at
ASSERT_TRUE(query_addr_at(self->maps_fd, mod_info->addr + self->page_size,
ASSERT_TRUE(query_addr_at(self->maps_fd, mod_info->addr, &vma_start, &vma_end));
ASSERT_TRUE(query_addr_at(self->maps_fd, mod_info->addr + self->page_size,