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[asan] add a test for poison_array_cookie=1 

llvm-svn: 216494
This commit is contained in:
Kostya Serebryany 2014-08-26 22:05:12 +00:00
parent f26596d11a
commit 9455c5ab81
1 changed files with 19 additions and 0 deletions
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19
compiler-rt/test/asan/TestCases/Linux/new_array_cookie_test.cc Normal file
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// 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;
}