Fix memory overwrite when sending error code on socket

remoting/host/gnubby_socket.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/host/gnubby_socket.h"
 
+#include "base/macros.h"
 #include "base/timer/timer.h"
 #include "net/socket/stream_listen_socket.h"
 
 namespace remoting {
 
 namespace {
 
 const size_t kRequestSizeBytes = 4;
 const size_t kMaxRequestLength = 16384;
 const unsigned int kRequestTimeoutSeconds = 60;
@@ skipping 51 matching lines @@
   DCHECK(CalledOnValidThread());
 
   socket_->Send(GetResponseLengthAsBytes(response_data));
   socket_->Send(response_data);
   ResetTimer();
 }
 
 void GnubbySocket::SendSshError() {
   DCHECK(CalledOnValidThread());
 
-  SendResponse(kSshError);
+  SendResponse(std::string(kSshError, arraysize(kSshError)));
 }
 
 bool GnubbySocket::IsSocket(net::StreamListenSocket* socket) const {
   return socket == socket_.get();
 }
 
 void GnubbySocket::SetTimerForTesting(scoped_ptr<base::Timer> timer) {
   timer->Start(FROM_HERE, timer_->GetCurrentDelay(), timer_->user_task());
   timer_ = timer.Pass();
 }
@@ skipping 18 matching lines @@
 
   return response_len;
 }
 
 void GnubbySocket::ResetTimer() {
   if (timer_->IsRunning())
     timer_->Reset();
 }
 
 }  // namespace remoting