| // RUN: %clangxx_asan -O0 %s -o %t |
| // RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL |
| |
| // REQUIRES: stable-runtime |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int main() { |
| void *p = calloc(-1, 1000); |
| // CHECK: {{ERROR: AddressSanitizer: calloc parameters overflow: count \* size \(.* \* 1000\) cannot be represented in type size_t}} |
| // CHECK: {{#0 0x.* in .*calloc}} |
| // CHECK: {{#1 0x.* in main .*calloc-overflow.cpp:}}[[@LINE-3]] |
| // CHECK: SUMMARY: AddressSanitizer: calloc-overflow |
| |
| printf("calloc returned: %zu\n", (size_t)p); |
| // CHECK-NULL: calloc returned: 0 |
| |
| return 0; |
| } |