diff options
Diffstat (limited to 'test/asan/TestCases/Windows/dll_operator_array_new_left_oob.cc')
-rw-r--r-- | test/asan/TestCases/Windows/dll_operator_array_new_left_oob.cc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/asan/TestCases/Windows/dll_operator_array_new_left_oob.cc b/test/asan/TestCases/Windows/dll_operator_array_new_left_oob.cc new file mode 100644 index 000000000000..736ce80cc32a --- /dev/null +++ b/test/asan/TestCases/Windows/dll_operator_array_new_left_oob.cc @@ -0,0 +1,25 @@ +// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t +// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll +// RUN: not %run %t %t.dll 2>&1 | FileCheck %s + +extern "C" __declspec(dllexport) +int test_function() { + char *buffer = new char[42]; + buffer[-1] = 42; +// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] +// CHECK: WRITE of size 1 at [[ADDR]] thread T0 +// CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cc:[[@LINE-3]] +// CHECK-NEXT: main {{.*}}dll_host.cc +// +// CHECK: [[ADDR]] is located 1 bytes to the left of 42-byte region +// CHECK-LABEL: allocated by thread T0 here: +// FIXME: Should get rid of the malloc/free frames called from the inside of +// operator new/delete in DLLs when using -MT CRT. +// FIXME: The 'operator new' frame should have []. +// CHECK: operator new +// CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cc:[[@LINE-13]] +// CHECK-NEXT: main {{.*}}dll_host.cc +// CHECK-LABEL: SUMMARY + delete [] buffer; + return 0; +} |