1 // Test that dynamically allocated TLS space is included in the root set. 2 // RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0" 3 // RUN: %clangxx %p/SharedLibs/huge_tls_lib_so.cc -fPIC -shared -o %t-so.so 4 // RUN: %clangxx_lsan %s -o %t 5 // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_tls=0" not %t 2>&1 | FileCheck %s 6 // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_tls=1" %t 2>&1 7 // RUN: LSAN_OPTIONS="" %t 2>&1 8 9 #include <assert.h> 10 #include <dlfcn.h> 11 #include <stdio.h> 12 #include <stdlib.h> 13 #include <string> 14 15 int main(int argc, char *argv[]) { 16 std::string path = std::string(argv[0]) + "-so.so"; 17 18 void *handle = dlopen(path.c_str(), RTLD_LAZY); 19 assert(handle != 0); 20 typedef void **(* store_t)(void *p); 21 store_t StoreToTLS = (store_t)dlsym(handle, "StoreToTLS"); 22 assert(dlerror() == 0); 23 24 void *p = malloc(1337); 25 void **p_in_tls = StoreToTLS(p); 26 assert(*p_in_tls == p); 27 fprintf(stderr, "Test alloc: %p.\n", p); 28 return 0; 29 } 30 // CHECK: Test alloc: [[ADDR:.*]]. 31 // CHECK: leaked 1337 byte object at [[ADDR]] 32 // CHECK: LeakSanitizer: detected memory leaks 33 // CHECK: SUMMARY: LeakSanitizer: 34