nghttpx: Fix ubsan error

14dfeee4 · Tatsuhiro Tsujikawa · f1d8547b · 14dfeee4
Commit 14dfeee4 authored Jul 14, 2020 by Tatsuhiro Tsujikawa
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src/shrpx_downstream.cc src/shrpx_downstream.cc +4 -0

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--- a/src/shrpx_downstream.cc
+++ b/src/shrpx_downstream.cc
@@ -240,6 +240,10 @@ void Downstream::detach_downstream_connection() {

  auto handler = dconn_->get_client_handler();

+  if (!handler) {
+    return;
+  }
+
  handler->pool_downstream_connection(
      std::unique_ptr<DownstreamConnection>(dconn_.release()));
 }