LS
if (len == LS) {
if (offset == LS) {
DEF(mmap_len_2) { f(LS, 0, 0); } /* len is the same as lsize */
DEF(mmap_len_5) { f(0, LS, EINVAL); } /* len is 0 */
DEF(mmap_len_7) { f(1, LS, EOVERFLOW); } /* exceed */
DEF(mmap_len_8) { f(LS, 1ULL << 32, EOVERFLOW); }