src: guard against nullptr deref in TimerWrapHandle::Stop

Refs: #34454 PR-URL: #34460 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: David Carlier <devnexen@gmail.com>
nodejs · May 1, 2021 · b1d5160 · b1d5160
1 parent cf2475c
commit b1d5160
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/timer_wrap.cc b/src/timer_wrap.cc
@@ -56,7 +56,8 @@ TimerWrapHandle::TimerWrapHandle(
 }
 
 void TimerWrapHandle::Stop() {
-  return timer_->Stop();
+  if (timer_ != nullptr)
+    return timer_->Stop();
 }
 
 void TimerWrapHandle::Close() {