| 1 | // RUN: %clangxx_asan -O0 %s -o %t |
| 2 | // RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s |
| 3 | // RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s |
| 4 | // RUN: %env_asan_opts=malloc_context_size=1:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s |
| 5 | // RUN: %env_asan_opts=malloc_context_size=1:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s |
| 6 | // RUN: %env_asan_opts=malloc_context_size=2 not %run %t 2>&1 | FileCheck %s --check-prefix=TWO |
| 7 | |
| 8 | int main() { |
| 9 | char *x = new char[20]; |
| 10 | delete[] x; |
| 11 | return x[0]; |
| 12 | |
| 13 | // CHECK: freed by thread T{{.*}} here: |
| 14 | // CHECK-NEXT: #0 0x{{.*}} in {{operator delete( )?\[\]|_ZdaPv}} |
| 15 | // CHECK-NOT: #1 0x{{.*}} |
| 16 | |
| 17 | // CHECK: previously allocated by thread T{{.*}} here: |
| 18 | // CHECK-NEXT: #0 0x{{.*}} in {{operator new( )?\[\]|_Znam}} |
| 19 | // CHECK-NOT: #1 0x{{.*}} |
| 20 | |
| 21 | // CHECK: SUMMARY: AddressSanitizer: heap-use-after-free |
| 22 | |
| 23 | // TWO: previously allocated by thread T{{.*}} here: |
| 24 | // TWO-NEXT: #0 0x{{.*}} |
| 25 | // TWO-NEXT: #1 0x{{.*}} in main {{.*}}malloc_context_size.cpp |
| 26 | // TWO: SUMMARY: AddressSanitizer: heap-use-after-free |
| 27 | } |
| 28 | |