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Index > Compiler Internals > Bugs in structure MEMORYSTATUS in kernel32 and kernel64

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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17663
Location: In your JS exploiting you and your system
revolution
The MEMORYSTATUS structure in kernel32.inc has a typo: dwiLength should be dwLength (without the extra 'i').

The same structure in kernel64.inc has the same typo, and also incorrectly defines the last six members as 32-bit only where they need to be 64-bit DQs.

I find it somewhat disturbing the MS named these as dw* and then defines the size as SIZE_T.
Code:
typedef struct _MEMORYSTATUS {
  DWORD  dwLength;
  DWORD  dwMemoryLoad;
  SIZE_T dwTotalPhys;
  SIZE_T dwAvailPhys;
  SIZE_T dwTotalPageFile;
  SIZE_T dwAvailPageFile;
  SIZE_T dwTotalVirtual;
  SIZE_T dwAvailVirtual;
} MEMORYSTATUS, *LPMEMORYSTATUS;    
Post 05 Jan 2015, 06:37
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