From 62b422c4ee5d5950c0febd4ef20e00ff4c897047 Mon Sep 17 00:00:00 2001
From: Vijay Pai <vpai@google.com>
Date: Thu, 16 May 2019 17:00:18 -0700
Subject: [PATCH] Grab a ref on fake resolver generator before scheduling a
 closure

---
 .../ext/filters/client_channel/resolver/fake/fake_resolver.cc   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc b/src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc
index 85b9bea6f70..7f613ee21bc 100644
--- a/src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc
+++ b/src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc
@@ -175,11 +175,13 @@ void FakeResolverResponseGenerator::SetResponseLocked(void* arg,
   resolver->next_result_ = std::move(closure_arg->result);
   resolver->has_next_result_ = true;
   resolver->MaybeSendResultLocked();
+  closure_arg->generator->Unref();
   Delete(closure_arg);
 }
 
 void FakeResolverResponseGenerator::SetResponse(Resolver::Result result) {
   if (resolver_ != nullptr) {
+    Ref().release();  // ref to be held by closure
     SetResponseClosureArg* closure_arg = New<SetResponseClosureArg>();
     closure_arg->generator = this;
     closure_arg->result = std::move(result);