Make SyzyAsan support the allocation > 1GB

syzygy/agent/asan/error_info.h

 // Copyright 2014 Google Inc. All Rights Reserved.
 //
 // 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
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 96 matching lines @@
     DEPRECATED_ASAN_FEATURE_ENABLE_KASKO |
     DEPRECATED_ASAN_FEATURE_ENABLE_CRASHPAD;
 
 // Store the information that we want to report about a block.
 // TODO(sebmarchand): Rename this to avoid the confusion with the BlockInfo
 //     structure?
 struct AsanBlockInfo {
   // The address of the header for this block.
   const void* header;
   // The user size of the block.
-  size_t user_size : 30;
+  size_t user_size;
   // This is implicitly a BlockState value.
-  size_t state : 2;
+  uint8_t state;
   // The ID of the allocation thread.
   DWORD alloc_tid;
   // The ID of the free thread.
   DWORD free_tid;
   // The result of a block analysis on this block.
   BlockAnalysisResult analysis;
   // The allocation stack trace.
   void* alloc_stack[agent::common::StackCapture::kMaxNumFrames];
   // The free stack trace.
   void* free_stack[agent::common::StackCapture::kMaxNumFrames];
@@ skipping 192 matching lines @@
   return reinterpret_cast<void*>(context.Rip);
 #else
   return reinterpret_cast<void*>(context.Eip);
 #endif
 }
 
 }  // namespace asan
 }  // namespace agent
 
 #endif  // SYZYGY_AGENT_ASAN_ERROR_INFO_H_