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- Add probing of the result buffers

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svn path=/trunk/; revision=41464
This commit is contained in:
Dmitry Chapyshev 2009-06-19 07:46:46 +00:00
parent 12adb28b86
commit 8b7d2f3924
1 changed files with 19 additions and 11 deletions
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30
reactos/ntoskrnl/ps/query.c
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@ -80,17 +80,25 @@ NtQueryInformationProcess(IN HANDLE ProcessHandle,
ULONG Cookie;
PAGED_CODE();
/* Check validity of Information Class */
#if 0
Status = DefaultQueryInfoBufferCheck(ProcessInformationClass,
PsProcessInfoClass,
RTL_NUMBER_OF(PsProcessInfoClass),
ProcessInformation,
ProcessInformationLength,
ReturnLength,
PreviousMode);
if (!NT_SUCCESS(Status)) return Status;
#endif
/* Check for user-mode caller */
if (PreviousMode != KernelMode)
{
/* Prepare to probe parameters */
_SEH2_TRY
{
ProbeForWrite(ProcessInformation,
ProcessInformationLength,
sizeof(ULONG));
if (ReturnLength) ProbeForWriteUlong(ReturnLength);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Get the error code */
Status = _SEH2_GetExceptionCode();
}
_SEH2_END;
if(!NT_SUCCESS(Status)) return Status;
}
if((ProcessInformationClass == ProcessCookie) &&
(ProcessHandle != NtCurrentProcess()))