1 // Test that dynamically allocated thread-specific storage is included in the root set. 2 // RUN: %clangxx_lsan %s -o %t 3 // RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=0" not %run %t 2>&1 | FileCheck %s 4 // RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=1" %run %t 2>&1 5 // RUN: %env_lsan_opts="" %run %t 2>&1 6 7 // Investigate why it does not fail with use_tls=0 8 // UNSUPPORTED: arm-linux || armhf-linux 9 10 #include <assert.h> 11 #include <pthread.h> 12 #include <stdio.h> 13 #include <stdlib.h> 14 #include "sanitizer_common/print_address.h" 15 16 // From glibc: this many keys are stored in the thread descriptor directly. 17 const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32; 18 main()19int main() { 20 static const unsigned kDummyKeysCount = PTHREAD_KEY_2NDLEVEL_SIZE; 21 int res; 22 pthread_key_t dummy_keys[kDummyKeysCount]; 23 for (unsigned i = 0; i < kDummyKeysCount; i++) { 24 res = pthread_key_create(&dummy_keys[i], NULL); 25 assert(res == 0); 26 } 27 pthread_key_t key; 28 res = pthread_key_create(&key, NULL); 29 assert(key >= PTHREAD_KEY_2NDLEVEL_SIZE); 30 assert(res == 0); 31 void *p = malloc(1337); 32 res = pthread_setspecific(key, p); 33 assert(res == 0); 34 print_address("Test alloc: ", 1, p); 35 return 0; 36 } 37 // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]] 38 // CHECK: LeakSanitizer: detected memory leaks 39 // CHECK: [[ADDR]] (1337 bytes) 40 // CHECK: SUMMARY: {{.*}}Sanitizer: 41