[compiler-rt] r216494 - [asan] add a test for poison_array_cookie=1

[Kostya Serebryany]

Author: kcc
Date: Tue Aug 26 17:05:12 2014
New Revision: 216494

URL: http://llvm.org/viewvc/llvm-project?rev=216494&view=rev
Log:
[asan] add a test for poison_array_cookie=1

Added:
    compiler-rt/trunk/test/asan/TestCases/Linux/new_array_cookie_test.cc

Added: compiler-rt/trunk/test/asan/TestCases/Linux/new_array_cookie_test.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/asan/TestCases/Linux/new_array_cookie_test.cc?rev=216494&view=auto
==============================================================================
--- compiler-rt/trunk/test/asan/TestCases/Linux/new_array_cookie_test.cc (added)
+++ compiler-rt/trunk/test/asan/TestCases/Linux/new_array_cookie_test.cc Tue Aug 26 17:05:12 2014
@@ -0,0 +1,19 @@
+// REQUIRES: asan-64-bits
+// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: ASAN_OPTIONS=poison_array_cookie=1 not %run %t 2>&1  | FileCheck %s
+// RUN: ASAN_OPTIONS=poison_array_cookie=0 %run %t
+#include <stdio.h>
+struct C {
+  int x;
+  ~C() {fprintf(stderr, "ZZZZZZZZ\n");}
+};
+
+int main(int argc, char **argv) {
+  C *buffer = new C[argc];
+  buffer[-2].x = 10;
+// CHECK: AddressSanitizer: heap-buffer-overflow
+// CHECK: in main {{.*}}new_array_cookie_test.cc:[[@LINE-2]]
+// CHECK: is located 0 bytes inside of 12-byte region
+  delete [] buffer;
+}