diff options
Diffstat (limited to 'test/asan/TestCases/Windows/dll_thread_stack_array_left_oob.cc')
-rw-r--r-- | test/asan/TestCases/Windows/dll_thread_stack_array_left_oob.cc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/asan/TestCases/Windows/dll_thread_stack_array_left_oob.cc b/test/asan/TestCases/Windows/dll_thread_stack_array_left_oob.cc new file mode 100644 index 000000000000..8f53623419ce --- /dev/null +++ b/test/asan/TestCases/Windows/dll_thread_stack_array_left_oob.cc @@ -0,0 +1,36 @@ +// 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 + +#include <windows.h> +#include <malloc.h> + +DWORD WINAPI thread_proc(void *context) { + int subscript = -1; + char stack_buffer[42]; + stack_buffer[subscript] = 42; +// CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] +// CHECK: WRITE of size 1 at [[ADDR]] thread T1 +// CHECK-NEXT: thread_proc {{.*}}dll_thread_stack_array_left_oob.cc:[[@LINE-3]] +// +// CHECK: Address [[ADDR]] is located in stack of thread T1 at offset [[OFFSET:.*]] in frame +// CHECK-NEXT: thread_proc {{.*}}dll_thread_stack_array_left_oob.cc +// +// CHECK: 'stack_buffer' <== Memory access at offset [[OFFSET]] underflows this variable + + return 0; +} + +extern "C" __declspec(dllexport) +int test_function() { + HANDLE thr = CreateThread(NULL, 0, thread_proc, NULL, 0, NULL); +// CHECK-LABEL: Thread T1 created by T0 here: +// CHECK: test_function {{.*}}dll_thread_stack_array_left_oob.cc:[[@LINE-2]] +// CHECK-NEXT: main {{.*}}dll_host.cc +// CHECK-LABEL: SUMMARY + if (thr == 0) + return 1; + if (WAIT_OBJECT_0 != WaitForSingleObject(thr, INFINITE)) + return 2; + return 0; +} |