// Test that LargeMmapAllocator's chunks aren't reachable via some internal data structure. // RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0" // RUN: %clangxx_lsan %s -o %t // RUN: %env_lsan_opts=$LSAN_BASE not %run %t 2>&1 | FileCheck %s // For 32 bit LSan it's pretty likely that large chunks are "reachable" from some // internal data structures (e.g. Glibc global data). // UNSUPPORTED: x86, arm #include #include #include "sanitizer_common/print_address.h" int main() { // maxsize in primary allocator is always less than this (1 << 25). void *large_alloc = malloc(33554432); print_address("Test alloc: ", 1, large_alloc); return 0; } // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]] // CHECK: LeakSanitizer: detected memory leaks // CHECK: [[ADDR]] (33554432 bytes) // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: