lsan/TestCases/malloc_zero.c

59e422c9SFangrui Song// RUN: %clang_lsan %s -o %t
59e422c9SFangrui Song// RUN: %env_lsan_opts=use_stacks=0 not %run %t 2>&1 | FileCheck %s
59e422c9SFangrui Song
*466fab5cSDavid Spickett/// Fails when only leak sanitizer is enabled
*466fab5cSDavid Spickett// UNSUPPORTED: arm-linux, armhf-linux
*466fab5cSDavid Spickett
59e422c9SFangrui Song#include <stdio.h>
59e422c9SFangrui Song#include <stdlib.h>
59e422c9SFangrui Song
59e422c9SFangrui Song// CHECK: {{Leak|Address}}Sanitizer: detected memory leaks
59e422c9SFangrui Song// CHECK: {{Leak|Address}}Sanitizer: 1 byte(s) leaked in 1 allocation(s).
59e422c9SFangrui Song
59e422c9SFangrui Songint main() {
59e422c9SFangrui Song  // The behavior of malloc(0) is implementation-defined.
59e422c9SFangrui Song  char *p = malloc(0);
59e422c9SFangrui Song  fprintf(stderr, "zero: %p\n", p);
59e422c9SFangrui Song  p = 0;
59e422c9SFangrui Song}