diff options
Diffstat (limited to 'lib/asan/lit_tests/TestCases/malloc_context_size.cc')
| -rw-r--r-- | lib/asan/lit_tests/TestCases/malloc_context_size.cc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/malloc_context_size.cc b/lib/asan/lit_tests/TestCases/malloc_context_size.cc new file mode 100644 index 000000000000..266ce66f59e2 --- /dev/null +++ b/lib/asan/lit_tests/TestCases/malloc_context_size.cc @@ -0,0 +1,27 @@ +// RUN: %clangxx_asan -O0 %s -o %t +// RUN: ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=0 not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os +// RUN: ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=1 not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os +// RUN: ASAN_OPTIONS=malloc_context_size=1:fast_unwind_on_malloc=0 not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os +// RUN: ASAN_OPTIONS=malloc_context_size=1:fast_unwind_on_malloc=1 not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os + +int main() { + char *x = new char[20]; + delete[] x; + return x[0]; + // We need to keep duplicate lines with different 'CHECK-%os' prefixes, + // otherwise FileCheck barks on missing 'CHECK-%os' before 'CHECK-%os-NEXT'. + + // CHECK-Linux: freed by thread T{{.*}} here: + // CHECK-Linux-NEXT: #0 0x{{.*}} in operator delete[] + // CHECK-Darwin: freed by thread T{{.*}} here: + // CHECK-Darwin-NEXT: #0 0x{{.*}} in wrap__ZdaPv + // CHECK-NOT: #1 0x{{.*}} + + // CHECK-Linux: previously allocated by thread T{{.*}} here: + // CHECK-Linux-NEXT: #0 0x{{.*}} in operator new[] + // CHECK-Darwin: previously allocated by thread T{{.*}} here: + // CHECK-Darwin-NEXT: #0 0x{{.*}} in wrap__Znam + // CHECK-NOT: #1 0x{{.*}} + + // CHECK: SUMMARY: AddressSanitizer: heap-use-after-free +} |