1// Test that unaligned pointers are detected correctly.
2// RUN: %clangxx_lsan %s -o %t
3// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_unaligned=0" not %run %t 2>&1 | FileCheck %s
4// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_unaligned=1" %run %t 2>&1
5
6#include <stdio.h>
7#include <stdlib.h>
8#include <string.h>
9#include "sanitizer_common/print_address.h"
10
11void *arr[2];
12
13int main() {
14 void *p = malloc(size: 1337);
15 print_address("Test alloc: ", 1, p);
16 char *char_arr = (char *)arr;
17 memcpy(dest: char_arr + 1, src: &p, n: sizeof(p));
18 return 0;
19}
20// CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
21// CHECK: LeakSanitizer: detected memory leaks
22// CHECK: [[ADDR]] (1337 bytes)
23// CHECK: SUMMARY: {{.*}}Sanitizer:
24

source code of compiler-rt/test/lsan/TestCases/use_unaligned.cpp