llvm-project/compiler-rt/test/scudo/alignment.cpp

26 lines
594 B
C++

// 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