1*673dc3d4SNico Weber // RUN: %clangxx_asan -O0 %s -o %t
2*673dc3d4SNico Weber // RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s
3*673dc3d4SNico Weber // RUN: %env_asan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
4*673dc3d4SNico Weber 
5*673dc3d4SNico Weber // REQUIRES: stable-runtime
6*673dc3d4SNico Weber 
7*673dc3d4SNico Weber #include <stdio.h>
8*673dc3d4SNico Weber #include <stdlib.h>
9*673dc3d4SNico Weber 
main()10*673dc3d4SNico Weber int main() {
11*673dc3d4SNico Weber   void *p = calloc(-1, 1000);
12*673dc3d4SNico Weber   // CHECK: {{ERROR: AddressSanitizer: calloc parameters overflow: count \* size \(.* \* 1000\) cannot be represented in type size_t}}
13*673dc3d4SNico Weber   // CHECK: {{#0 0x.* in .*calloc}}
14*673dc3d4SNico Weber   // CHECK: {{#1 0x.* in main .*calloc-overflow.cpp:}}[[@LINE-3]]
15*673dc3d4SNico Weber   // CHECK: SUMMARY: AddressSanitizer: calloc-overflow
16*673dc3d4SNico Weber 
17*673dc3d4SNico Weber   printf("calloc returned: %zu\n", (size_t)p);
18*673dc3d4SNico Weber   // CHECK-NULL: calloc returned: 0
19*673dc3d4SNico Weber 
20*673dc3d4SNico Weber   return 0;
21*673dc3d4SNico Weber }
22