wasmtime-cli 42.0.2

Command-line interface for Wasmtime
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

;;! gc = true

(module
  (type $arr_i8 (array i8))
  (type $arr_i64 (array i64))

  ;; Overflow on `elems_size = len * sizeof(elem_type)`
  (func (export "overflow-elems-size") (result (ref $arr_i64))
    (array.new_default $arr_i64 (i32.const -1))
  )

  ;; Overflow on `base_size + elems_size`
  (func (export "overflow-add-base-size") (result (ref $arr_i8))
    (array.new_default $arr_i8 (i32.const -1))
  )
)

(assert_trap (invoke "overflow-elems-size") "allocation size too large")
(assert_trap (invoke "overflow-add-base-size") "allocation size too large")