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: x86,i686,arm 8 9 #include <stdio.h> 10 #include <stdlib.h> 11 #include "sanitizer_common/print_address.h" 12 13 int 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 leaks 21 // CHECK: [[ADDR]] (33554432 bytes) 22 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 23