llvm-project/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_test.cpp

28 lines
756 B
C++

// REQUIRES: asan-64-bits
// RUN: %clangxx_asan -O3 %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
// RUN: %env_asan_opts=poison_array_cookie=1 not %run %t 2>&1 | FileCheck %s
// RUN: %env_asan_opts=poison_array_cookie=0 not %run %t 2>&1 | FileCheck %s --check-prefix=NO_COOKIE
// UNSUPPORTED: ios
#include <stdio.h>
#include <stdlib.h>
struct C {
int x;
~C() {
fprintf(stderr, "ZZZZZZZZ\n");
exit(1);
}
};
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.cpp:[[@LINE-2]]
// CHECK: is located 0 bytes inside of 12-byte region
// NO_COOKIE: ZZZZZZZZ
delete [] buffer;
}