23 lines · cpp
1// Test that LargeMmapAllocator's chunks aren't reachable via some internal data structure.2// RUN: %clangxx_lsan %s -o %t3// RUN: %env_lsan_opts=report_objects=1:use_stacks=0:use_registers=0 not %run %t 2>&1 | FileCheck %s4 5// For 32 bit LSan it's pretty likely that large chunks are "reachable" from some6// 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(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 leaks21// CHECK: [[ADDR]] (33554432 bytes)22// CHECK: SUMMARY: {{.*}}Sanitizer:23