tsan: fix leak of shadow stacks

llvm-svn: 276103
2016-07-20 10:29:08 +00:00 · 2016-07-20 10:29:08 +00:00 · dcad913ab6
parent e3b9ee0645
commit dcad913ab6
1 changed files with 6 additions and 0 deletions
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
@ -125,6 +125,12 @@ void ThreadContext::OnStarted(void *arg) {
 }

 void ThreadContext::OnFinished() {
+#ifdef SANITIZER_GO
+  internal_free(thr->shadow_stack);
+  thr->shadow_stack = nullptr;
+  thr->shadow_stack_pos = nullptr;
+  thr->shadow_stack_end = nullptr;
+#endif
  if (!detached) {
    thr->fast_state.IncrementEpoch();
    // Can't increment epoch w/o writing to the trace as well.