| 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 | |
| 13 | int 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 | |