File: alignment.c

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (23 lines) | stat: -rw-r--r-- 524 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// RUN: %clang_scudo %s -o %t
// RUN: not %run %t pointers 2>&1 | FileCheck %s

// Tests that a non MinAlignment aligned pointer will trigger the associated
// error on deallocation.

#include <assert.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);
    assert(p);
    free((void *)((uintptr_t)p | 1));
  }
  return 0;
}

// CHECK: ERROR: misaligned pointer when deallocating address