Make chrome.exe built with ASan/Win work with sandbox enabled

content/common/sandbox_win.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 "content/common/sandbox_win.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 321 matching lines @@
 
   base::FilePath debug_message(long_path_buf);
   debug_message = debug_message.AppendASCII("debug_message.exe");
   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_PROCESS,
                            sandbox::TargetPolicy::PROCESS_MIN_EXEC,
                            debug_message.value().c_str());
   if (result != sandbox::SBOX_ALL_OK)
     return false;
 #endif  // NDEBUG
 
+  // Add the policy for read-only PDB file access for AddressSanitizer.
+#if defined(ADDRESS_SANITIZER)
+  base::FilePath exe;
+  if (!PathService::Get(base::FILE_EXE, &exe))
+    return false;
+  base::FilePath pdb_path = exe.DirName().Append(L"*.pdb");
+  result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
+                           sandbox::TargetPolicy::FILES_ALLOW_READONLY,
+                           pdb_path.value().c_str());
+  if (result != sandbox::SBOX_ALL_OK)
+    return false;
+#endif
+
   AddGenericDllEvictionPolicy(policy);
   return true;
 }
 
 bool AddPolicyForSandboxedProcess(sandbox::TargetPolicy* policy) {
   sandbox::ResultCode result;
   // Renderers need to share events with plugins.
   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
                            L"Event");
@@ skipping 412 matching lines @@
   }
 
   return false;
 }
 
 bool BrokerAddTargetPeer(HANDLE peer_process) {
   return g_broker_services->AddTargetPeer(peer_process) == sandbox::SBOX_ALL_OK;
 }
 
 }  // namespace content