1// Test that LargeMmapAllocator's chunks aren't reachable via some internal data structure.
2// RUN: %clangxx_lsan %s -o %t
3// RUN: %env_lsan_opts=report_objects=1:use_stacks=0:use_registers=0 not %run %t 2>&1 | FileCheck %s
4
5// For 32 bit LSan it's pretty likely that large chunks are "reachable" from some
6// internal data structures (e.g. Glibc global data).
7// UNSUPPORTED: i686,target={{(x86|arm).*}}
8
9#include <stdio.h>
10#include <stdlib.h>
11#include "sanitizer_common/print_address.h"
12
13int main() {
14 // maxsize in primary allocator is always less than this (1 << 25).
15 void *large_alloc = malloc(size: 33554432);
16 print_address("Test alloc: ", 1, large_alloc);
17 return 0;
18}
19// CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
20// CHECK: LeakSanitizer: detected memory leaks
21// CHECK: [[ADDR]] (33554432 bytes)
22// CHECK: SUMMARY: {{.*}}Sanitizer:
23

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