| // UNSUPPORTED: target={{.*-windows-gnu}} |
| |
| // RUN: %clang_cl_asan -Od %s -Fe%t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| |
| struct C { |
| int x; |
| ~C() {} |
| }; |
| |
| int __attribute__((noinline, optnone)) hide(int x) { return x; } |
| |
| int main() { |
| C *buffer = new C[42]; |
| buffer[hide(-(1 + (int)sizeof(void*) / 4))].x = 42; |
| // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] |
| // CHECK: WRITE of size 4 at [[ADDR]] thread T0 |
| // CHECK-NEXT: {{#0 .* main .*operator_array_new_with_dtor_left_oob.cpp}}:[[@LINE-3]] |
| // |
| // FIXME: Currently it says "4 bytes ... left of 172-byte region", |
| // should be "8 bytes ... left of 168-byte region", see |
| // https://code.google.com/p/address-sanitizer/issues/detail?id=314 |
| // CHECK: [[ADDR]] is located {{.*}} bytes before {{(172|176)}}-byte region |
| // CHECK-LABEL: allocated by thread T0 here: |
| // FIXME: The 'operator new' frame should have []. |
| // CHECK-NEXT: {{#0 .* operator new}} |
| // CHECK-NEXT: {{#1 .* main .*operator_array_new_with_dtor_left_oob.cpp}}:[[@LINE-13]] |
| delete [] buffer; |
| } |