diff options
Diffstat (limited to 'compiler-rt/test/asan/TestCases/wcscat.cpp')
| -rw-r--r-- | compiler-rt/test/asan/TestCases/wcscat.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/wcscat.cpp b/compiler-rt/test/asan/TestCases/wcscat.cpp new file mode 100644 index 0000000..fd0b5a4 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/wcscat.cpp @@ -0,0 +1,26 @@ +// RUN: %clangxx_asan -O0 %s -o %t && not %env_asan_opts=log_to_stderr=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK +// RUN: %clangxx_asan -O1 %s -o %t && not %env_asan_opts=log_to_stderr=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK +// RUN: %clangxx_asan -O2 %s -o %t && not %env_asan_opts=log_to_stderr=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK +// RUN: %clangxx_asan -O3 %s -o %t && not %env_asan_opts=log_to_stderr=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK + +#include <stdio.h> +#include <wchar.h> + +int main() { + const wchar_t *start = L"X means "; + const wchar_t *append = L"dog"; + wchar_t goodDst[12]; + wcscpy(goodDst, start); + wcscat(goodDst, append); + + wchar_t badDst[9]; + wcscpy(badDst, start); + fprintf(stderr, "Good so far.\n"); + // CHECK-DAG: Good so far. + fflush(stderr); + wcscat(badDst, append); // Boom! + // CHECK-DAG: ERROR: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] at pc {{0x[0-9a-f]+}} bp {{0x[0-9a-f]+}} sp {{0x[0-9a-f]+}} + // CHECK-DAG: WRITE of size {{[0-9]+}} at [[ADDR]] thread T0 + // CHECK-DAG: #0 {{0x[0-9a-f]+}} in wcscat + printf("Should have failed with ASAN error.\n"); +} |