1 | // RUN: %clang_cl_asan %Od %s %Fe%t |
2 | // RUN: not %run %t 2>&1 | FileCheck %s |
3 | |
4 | struct C { |
5 | int x; |
6 | ~C() {} |
7 | }; |
8 | |
9 | int __attribute__((noinline, optnone)) hide(int x) { return x; } |
10 | |
11 | int main() { |
12 | C *buffer = new C[42]; |
13 | buffer[hide(x: -(1 + (int)sizeof(void*) / 4))].x = 42; |
14 | // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] |
15 | // CHECK: WRITE of size 4 at [[ADDR]] thread T0 |
16 | // CHECK-NEXT: {{#0 .* main .*operator_array_new_with_dtor_left_oob.cpp}}:[[@LINE-3]] |
17 | // |
18 | // FIXME: Currently it says "4 bytes ... left of 172-byte region", |
19 | // should be "8 bytes ... left of 168-byte region", see |
20 | // https://code.google.com/p/address-sanitizer/issues/detail?id=314 |
21 | // CHECK: [[ADDR]] is located {{.*}} bytes before {{(172|176)}}-byte region |
22 | // CHECK-LABEL: allocated by thread T0 here: |
23 | // CHECK-NEXT: {{#0 .* operator new}}[] |
24 | // CHECK-NEXT: {{#1 .* main .*operator_array_new_with_dtor_left_oob.cpp}}:[[@LINE-12]] |
25 | delete [] buffer; |
26 | } |
27 | |