Returns an error immediately without sending IPC message when a font family n...

skia/ext/SkFontHost_fontconfig_ipc.cpp

 /* libs/graphics/ports/SkFontHost_fontconfig_direct.cpp
 **
 ** Copyright 2009, Google Inc.
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
@@ skipping 23 matching lines @@
 
 FontConfigIPC::~FontConfigIPC() {
     close(fd_);
 }
 
 bool FontConfigIPC::Match(std::string* result_family,
                           unsigned* result_fileid,
                           bool fileid_valid, unsigned fileid,
                           const std::string& family, bool* is_bold,
                           bool* is_italic) {
+    if (family.length() > kMaxFontFamilyLength)
+      return false;
+
     Pickle request;
     request.WriteInt(METHOD_MATCH);
     request.WriteBool(fileid_valid);
     if (fileid_valid)
       request.WriteUInt32(fileid);
 
     request.WriteBool(is_bold && *is_bold);
     request.WriteBool(is_bold && *is_italic);
 
     request.WriteString(family);
@@ skipping 52 matching lines @@
     void* iter = NULL;
     if (!reply.ReadBool(&iter, &result) ||
         !result) {
       if (result_fd)
         close(result_fd);
       return -1;
     }
 
     return result_fd;
 }