1 /**
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #define _GNU_SOURCE
17 #include <sys/types.h>
18 #include <sys/wait.h>
19
20 #include <errno.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <sys/resource.h>
24 #include <sys/time.h>
25 #include <unistd.h>
26
main(void)27 int main(void) {
28 struct rlimit rlim;
29 size_t i;
30
31 int result = getrlimit(RLIMIT_AS, &rlim);
32 printf("%lu\n", rlim.rlim_cur);
33 printf("%lu\n", rlim.rlim_max);
34
35 rlim.rlim_cur = 384 * 1024 * 1024;
36 result = setrlimit(RLIMIT_AS, &rlim);
37
38 /*
39 * Issue exists only in kitkat. It passes in
40 * android M onwards. In failure scenario, device reboots.
41 */
42 size_t to_alloc = 1.6 * 1024 * 1024 * 1024;
43 char *mem = (char *)malloc(to_alloc);
44
45 printf("%p\n", mem);
46 if (mem) {
47 for (i = 0; i < to_alloc; i++) {
48 mem[i] = 0;
49 }
50 printf("filled\n");
51 }
52
53 free(mem);
54 return 0;
55 }
56