test/scudo/alignment.cpp

// RUN: %clang_scudo %s -o %t
// RUN: not %run %t pointers 2>&1 | FileCheck %s

// Tests that a non-16-byte aligned pointer will trigger the associated error
// on deallocation.

#include <assert.h>
#include <malloc.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char **argv)
{
  assert(argc == 2);
  if (!strcmp(argv[1], "pointers")) {
    void *p = malloc(1U << 16);
    if (!p)
      return 1;
    free(reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(p) | 8));
  }
  return 0;
}

// CHECK: ERROR: attempted to deallocate a chunk not properly aligned