| diff --git a/src/njs_function.c b/src/njs_function.c | |
| --- a/src/njs_function.c | |
| +++ b/src/njs_function.c | |
| njs_function_prototype_apply(njs_vm_t *vm, njs_value_t *args, njs_uint_t nargs, | |
| frame = (njs_frame_t *) vm->top_frame; | |
| + if (njs_slow_path(args == NULL && length != 0)) { | |
| + njs_stderror("APPLY-INVARIANT null argument vector for %d " | |
| + "arguments\n", (int) length); | |
| + abort(); | |
| + } | |
| + | |
| + for (i = 0; i < length; i++) { | |
| + if (njs_slow_path(!njs_is_valid(&args[i]))) { | |
| + njs_stderror("APPLY-INVARIANT absent-element marker at " | |
| + "argument %d\n", (int) i); | |
| + abort(); | |
| + } | |
| + } | |
| + | |
| ret = njs_function_frame(vm, func, this, args, length, 0); | |
| if (njs_slow_path(ret != NJS_OK)) { | |
| return ret; | |