compiler-rt/test/hwasan/TestCases/libc_thread_freeres.c

   1 // RUN: %clang_hwasan %s -o %t && %env_hwasan_opts=random_tags=1 %run %t
   2
   3 #include <pthread.h>
   4 #include <sanitizer/hwasan_interface.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8
   9 void *ThreadFn(void *) {
  10   strerror_l(-1, 0);
  11   __hwasan_enable_allocator_tagging();
  12   // This will trigger memory deallocation in __strerror_thread_freeres,
  13   // at a point when HwasanThread is already gone.
  14 }
  15
  16 int main() {
  17   pthread_t t;
  18   pthread_create(&t, NULL, ThreadFn, NULL);
  19   pthread_join(t, NULL);
  20   return 0;
  21 }