diff --git a/src/core/surface/completion_queue.c b/src/core/surface/completion_queue.c
index 48910afda334c434c1c7f14cdeb8c73dc7bb3e3d..8c9ca48a059776510b4f62372d111104a02dee2d 100644
--- a/src/core/surface/completion_queue.c
+++ b/src/core/surface/completion_queue.c
@@ -275,14 +275,14 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
       gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
       memset(&ret, 0, sizeof(ret));
       ret.type = GRPC_QUEUE_TIMEOUT;
-      GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ev->base);
+      GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
       return ret;
     }
   }
   gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
   ret = ev->base;
   gpr_free(ev);
-  GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ev->base);
+  GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
   return ret;
 }
 
diff --git a/test/cpp/end2end/crash_test.cc b/test/cpp/end2end/crash_test.cc
index 91370edcd4cd3cc7e5266c612e1a3b38432e6a43..10f4944b5476d36440724bede3c8ecdfc9b35a2f 100644
--- a/test/cpp/end2end/crash_test.cc
+++ b/test/cpp/end2end/crash_test.cc
@@ -73,15 +73,17 @@ class CrashTest : public ::testing::Test {
  protected:
   CrashTest() {}
 
-  std::unique_ptr<grpc::cpp::test::util::TestService::Stub> CreateServerAndStub() {
+  std::unique_ptr<grpc::cpp::test::util::TestService::Stub>
+  CreateServerAndStub() {
     auto port = grpc_pick_unused_port_or_die();
     auto addr = (std::ostringstream() << "localhost:" << port).str();
     server_.reset(new SubProcess({
-      (std::ostringstream() << g_root << "/crash_test_server").str(),
-      (std::ostringstream() << "--address=" << addr).str(),
+        (std::ostringstream() << g_root << "/crash_test_server").str(),
+        (std::ostringstream() << "--address=" << addr).str(),
     }));
     GPR_ASSERT(server_);
-    return grpc::cpp::test::util::TestService::NewStub(CreateChannel(addr, InsecureCredentials(), ChannelArguments()));
+    return grpc::cpp::test::util::TestService::NewStub(
+        CreateChannel(addr, InsecureCredentials(), ChannelArguments()));
   }
 
   void KillServer() {
diff --git a/test/cpp/end2end/crash_test_server.cc b/test/cpp/end2end/crash_test_server.cc
index b6b30a520467b81f2e6a488b999496559cd77fcd..1f8f5331996052688227e21382fed5aad123ed32 100644
--- a/test/cpp/end2end/crash_test_server.cc
+++ b/test/cpp/end2end/crash_test_server.cc
@@ -83,7 +83,6 @@ void RunServer() {
   std::cout << "Server listening on " << FLAGS_address << std::endl;
   server->Wait();
 }
-
 }
 }
 
diff --git a/test/cpp/util/subprocess.cc b/test/cpp/util/subprocess.cc
index ae4334fa54a3f39e02b95af99f8aa8adb2d7f861..d758f629acc85704790f1f7ff49f05b519ff6076 100644
--- a/test/cpp/util/subprocess.cc
+++ b/test/cpp/util/subprocess.cc
@@ -40,27 +40,20 @@
 namespace grpc {
 
 static gpr_subprocess *MakeProcess(std::initializer_list<std::string> args) {
-	std::vector<const char *> vargs;
-	for (auto it = args.begin(); it != args.end(); ++it) {
-		vargs.push_back(it->c_str());
-	}
-	return gpr_subprocess_create(vargs.size(), &vargs[0]);
+  std::vector<const char *> vargs;
+  for (auto it = args.begin(); it != args.end(); ++it) {
+    vargs.push_back(it->c_str());
+  }
+  return gpr_subprocess_create(vargs.size(), &vargs[0]);
 }
 
 SubProcess::SubProcess(std::initializer_list<std::string> args)
-		: subprocess_(MakeProcess(args)) {
-}
+    : subprocess_(MakeProcess(args)) {}
 
-SubProcess::~SubProcess() {
-	gpr_subprocess_destroy(subprocess_);
-}
+SubProcess::~SubProcess() { gpr_subprocess_destroy(subprocess_); }
 
-int SubProcess::Join() {
-	return gpr_subprocess_join(subprocess_);
-}
+int SubProcess::Join() { return gpr_subprocess_join(subprocess_); }
 
-void SubProcess::Interrupt() {
-	gpr_subprocess_interrupt(subprocess_);
-}
+void SubProcess::Interrupt() { gpr_subprocess_interrupt(subprocess_); }
 
 }  // namespace grpc
\ No newline at end of file
diff --git a/test/cpp/util/subprocess.h b/test/cpp/util/subprocess.h
index 02cce578f8844a18c04c00da5f121372eaf89646..8fafe3d1772febd4be424420371c63133a933549 100644
--- a/test/cpp/util/subprocess.h
+++ b/test/cpp/util/subprocess.h
@@ -43,17 +43,17 @@ namespace grpc {
 
 class SubProcess {
  public:
- 	SubProcess(std::initializer_list<std::string> args);
- 	~SubProcess();
+  SubProcess(std::initializer_list<std::string> args);
+  ~SubProcess();
 
- 	int Join();
- 	void Interrupt();
+  int Join();
+  void Interrupt();
 
  private:
- 	SubProcess(const SubProcess& other);
- 	SubProcess& operator=(const SubProcess& other);
+  SubProcess(const SubProcess& other);
+  SubProcess& operator=(const SubProcess& other);
 
- 	gpr_subprocess *const subprocess_;
+  gpr_subprocess* const subprocess_;
 };
 
 }  // namespace grpc