win: Validate readability of memory ranges added to minidump

util/win/process_info.h

 // Copyright 2015 The Crashpad Authors. 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 121 matching lines @@
   //! \brief Given a range to be read from the target process, returns a vector
   //!     of ranges, representing the readable portions of the original range.
   //!
   //! \param[in] range The range being identified.
   //!
   //! \return A vector of ranges corresponding to the portion of \a range that
   //!     is readable based on the memory map.
   std::vector<CheckedRange<WinVMAddress, WinVMSize>> GetReadableRanges(
       const CheckedRange<WinVMAddress, WinVMSize>& range) const;
 
+  //! \brief Given a range in the target process, determines if the entire range
+  //!     is readable.
+  //!
+  //! \param[in] range The range being inspected.
+  //!
+  //! \return `true` if the range is fully readable, otherwise `false` with a
+  //!     message logged.
+  bool LoggingRangeIsFullyReadable(
+      const CheckedRange<WinVMAddress, WinVMSize>& range) const;
+
   //! \brief Retrieves information about open handles in the target process.
   const std::vector<Handle>& Handles() const;
 
  private:
   template <class Traits>
   friend bool GetProcessBasicInformation(HANDLE process,
                                          bool is_wow64,
                                          ProcessInfo* process_info,
                                          WinVMAddress* peb_address,
                                          WinVMSize* peb_size);
@@ skipping 34 matching lines @@
 //!
 //! This is a free function for testing, but prefer
 //! ProcessInfo::GetReadableRanges().
 std::vector<CheckedRange<WinVMAddress, WinVMSize>> GetReadableRangesOfMemoryMap(
     const CheckedRange<WinVMAddress, WinVMSize>& range,
     const std::vector<MEMORY_BASIC_INFORMATION64>& memory_info);
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_WIN_PROCESS_INFO_H_