Ignore GetHash results for lists that we don't support.

chrome/browser/safe_browsing/protocol_parser.cc

 // Copyright (c) 2006-2008 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.
 //
 // Parse the data returned from the SafeBrowsing v2.1 protocol response.
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <Winsock2.h>
@@ skipping 72 matching lines @@
     std::vector<std::string> cmd_parts;
     SplitString(line, ':', &cmd_parts);
     if (cmd_parts.size() != 3)
       return false;
 
     SBFullHashResult full_hash;
     full_hash.list_name = cmd_parts[0];
     full_hash.add_chunk_id = atoi(cmd_parts[1].c_str());
     int full_hash_len = atoi(cmd_parts[2].c_str());
 
+    // Ignore hash results from lists we don't recognize.
+    if (safe_browsing_util::GetListId(full_hash.list_name) < 0) {
+      data += full_hash_len;
+      length -= full_hash_len;
+      continue;
+    }
+
     while (full_hash_len > 0) {
       DCHECK(static_cast<size_t>(full_hash_len) >= sizeof(SBFullHash));
       memcpy(&full_hash.hash, data, sizeof(SBFullHash));
       full_hashes->push_back(full_hash);
       data += sizeof(SBFullHash);
       length -= sizeof(SBFullHash);
       full_hash_len -= sizeof(SBFullHash);
     }
   }
 
@@ skipping 369 matching lines @@
 
     data += line.size() + 1;
     remaining -= static_cast<int>(line.size()) + 1;
   }
 
   if (client_key->empty() || wrapped_key->empty())
     return false;
 
   return true;
 }