| // RUN: %clangxx_asan -O0 %s -o %t |
| // RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=malloc_context_size=1:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=malloc_context_size=1:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=malloc_context_size=2 not %run %t 2>&1 | FileCheck %s --check-prefix=TWO |
| |
| int main() { |
| char *x = new char[20]; |
| delete[] x; |
| return x[0]; |
| |
| // CHECK: freed by thread T{{.*}} here: |
| // CHECK-NEXT: #0 0x{{.*}} in {{operator delete( )?\[\]|wrap__ZdaPv}} |
| // CHECK-NOT: #1 0x{{.*}} |
| |
| // CHECK: previously allocated by thread T{{.*}} here: |
| // CHECK-NEXT: #0 0x{{.*}} in {{operator new( )?\[\]|wrap__Znam}} |
| // CHECK-NOT: #1 0x{{.*}} |
| |
| // CHECK: SUMMARY: AddressSanitizer: heap-use-after-free |
| |
| // TWO: previously allocated by thread T{{.*}} here: |
| // TWO-NEXT: #0 0x{{.*}} |
| // TWO-NEXT: #1 0x{{.*}} in main {{.*}}malloc_context_size.cc |
| // TWO: SUMMARY: AddressSanitizer: heap-use-after-free |
| } |
