| 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 | |