1 // Test that stacks of non-main threads are included in the root set. 2 // RUN: LSAN_BASE="report_objects=1:use_registers=0" 3 // RUN: %clangxx_lsan -pthread %s -o %t 4 // RUN: %env_lsan_opts=$LSAN_BASE:"use_stacks=0" not %run %t 2>&1 | FileCheck %s 5 // RUN: %env_lsan_opts=$LSAN_BASE:"use_stacks=1" %run %t 2>&1 6 // RUN: %env_lsan_opts="" %run %t 2>&1 7 8 #include <assert.h> 9 #include <pthread.h> 10 #include <sched.h> 11 #include <stdio.h> 12 #include <stdlib.h> 13 #include "sanitizer_common/print_address.h" 14 15 extern "C" stacks_thread_func(void * arg)16void *stacks_thread_func(void *arg) { 17 int *sync = reinterpret_cast<int *>(arg); 18 void *p = malloc(1337); 19 print_address("Test alloc: ", 1, p); 20 fflush(stderr); 21 __sync_fetch_and_xor(sync, 1); 22 while (true) 23 sched_yield(); 24 } 25 main()26int main() { 27 int sync = 0; 28 pthread_t thread_id; 29 int res = pthread_create(&thread_id, 0, stacks_thread_func, &sync); 30 assert(res == 0); 31 while (!__sync_fetch_and_xor(&sync, 0)) 32 sched_yield(); 33 return 0; 34 } 35 // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]] 36 // CHECK: LeakSanitizer: detected memory leaks 37 // CHECK: [[ADDR]] (1337 bytes) 38 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 39