1 | // RUN: %clangxx_asan -O0 %s -o %t |
2 | // RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s |
3 | // RUN: %env_asan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL |
4 | |
5 | // REQUIRES: stable-runtime |
6 | |
7 | #include <stdio.h> |
8 | #include <stdlib.h> |
9 | |
10 | int main() { |
11 | void *p = calloc(nmemb: -1, size: 1000); |
12 | // CHECK: {{ERROR: AddressSanitizer: calloc parameters overflow: count \* size \(.* \* 1000\) cannot be represented in type size_t}} |
13 | // CHECK: {{#0 0x.* in .*calloc}} |
14 | // CHECK: {{#[1-3] 0x.* in main .*calloc-overflow.cpp:}}[[@LINE-3]] |
15 | // CHECK: SUMMARY: AddressSanitizer: calloc-overflow |
16 | |
17 | printf(format: "calloc returned: %zu\n" , (size_t)p); |
18 | // CHECK-NULL: calloc returned: 0 |
19 | |
20 | return 0; |
21 | } |
22 | |