relnote: Change memcpy to memmove in QuicFramer::EncryptPayload, because the src and dest buffers m…

net/quic/quic_framer.cc

 // Copyright (c) 2012 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 "net/quic/quic_framer.h"
 
 #include <stdint.h>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 1673 matching lines @@
                                   QuicPacketNumber packet_number,
                                   const QuicPacket& packet,
                                   char* buffer,
                                   size_t buffer_len) {
   DCHECK(encrypter_[level].get() != nullptr);
 
   StringPiece associated_data = packet.AssociatedData();
   // Copy in the header, because the encrypter only populates the encrypted
   // plaintext content.
   const size_t ad_len = associated_data.length();
-  memcpy(buffer, associated_data.data(), ad_len);
+  memmove(buffer, associated_data.data(), ad_len);
   // Encrypt the plaintext into the buffer.
   size_t output_length = 0;
   if (!encrypter_[level]->EncryptPacket(packet_number, associated_data,
                                         packet.Plaintext(), buffer + ad_len,
                                         &output_length, buffer_len - ad_len)) {
     RaiseError(QUIC_ENCRYPTION_FAILURE);
     return 0;
   }
 
   return ad_len + output_length;
@@ skipping 555 matching lines @@
 
 bool QuicFramer::RaiseError(QuicErrorCode error) {
   DVLOG(1) << "Error: " << QuicUtils::ErrorToString(error)
            << " detail: " << detailed_error_;
   set_error(error);
   visitor_->OnError(this);
   return false;
 }
 
 }  // namespace net