compiler-rt/test/lsan/TestCases/ignore_object.c

   1 // Test for __lsan_ignore_object().
   2 // RUN: %clang_lsan %s -o %t
   3 // RUN: %env_lsan_opts=report_objects=1:use_registers=0:use_stacks=0:use_tls=0 not %run %t 2>&1 | FileCheck %s
   4
   5 // Investigate why it does not fail with use_stack=0
   6 // UNSUPPORTED: arm-linux || armhf-linux
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10
  11 #include "sanitizer/lsan_interface.h"
  12
  13 int main() {
  14   // Explicitly ignored object.
  15   void **p = malloc(sizeof(void *));
  16   // Transitively ignored object.
  17   *p = malloc(666);
  18   // Non-ignored object.
  19   volatile void *q = malloc(1337);
  20   fprintf(stderr, "Test alloc: %p.\n", p);
  21   __lsan_ignore_object(p);
  22   return 0;
  23 }
  24 // CHECK: Test alloc: [[ADDR:.*]].
  25 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 1337 byte(s) leaked in 1 allocation(s)