MiCommitPageTableRangesForVad

INT64 __fastcall MiCommitPageTableRangesForVad(
        const _UNICODE_STRING *String1,
        const _UNICODE_STRING *String2,
        UINT8 CaseInSensitive){
  wchar_t *Buffer; 
  int v5; 
  INT64 result; 
  _ETHREAD *CurrentThread; 
  __int64 v8; 
  UINT64 v9; 
  wchar_t *v10; 
  unsigned __int64 v11; 
  _QWORD *v12; 
  _ETHREAD *v13; 
  unsigned int SessionId; 
  char v15; 
  int v16; 
  bool v17; 
  __int64 v18; 
  unsigned __int64 v19; 
  __int64 v20; 
  int v21; 
  Buffer = String1->Buffer;
  v5 = 0;
  if( !Buffer )
    return 0i64;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v8 = *((_QWORD *)CurrentThread + 23);
  *(_QWORD *)&String1[1].Length = 1i64;
  --*((_WORD *)CurrentThread + 243);
  v9 = v8 + 1232;
  ExAcquirePushLockExclusiveEx(v9, 0i64);
  do
  {
    v10 = *(wchar_t **)Buffer;
    if( v5 >= 0 )
    {
      v11 = 0i64;
      if( *((_QWORD *)Buffer + 1) )
      {
        v12 = Buffer + 8;
        do
        {
          v5 = MiCommitPageTablesForVad(
                 (__int64)String1,
                 *v12 & 0xFFFFFFFFFFE00000ui64,
                 (*v12 & 0xFFFFFFFFFFE00000ui64) + ((*v12 & 0x1FFFFFi64) << 21) + 0x1FFFFF);
          if( v5 < 0 )
            break;
          ++v11;
          ++v12;
        }
        while( v11 < *((_QWORD *)Buffer + 1) );
      }
    }
    ExFreePoolWithTag(Buffer, 0);
    Buffer = v10;
  }
  while( v10 );
  if( (_InterlockedExchangeAdd64((volatile signed __int64 *)v9, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
    ExfTryToWakePushLock((volatile INT64 *)v9);
  v21 = 0;
  v13 = (_ETHREAD *)KeGetCurrentThread();
  if( (unsigned int)MiGetSystemRegionType(v9) == 1 )
    SessionId = MmGetSessionIdEx(*((_QWORD *)v13 + 23));
  else
    SessionId = -1;
  --*((_WORD *)v13 + 243);
  v15 = ++*((_BYTE *)v13 + 794);
  v16 = (*((char *)v13 + 792) | *((char *)v13 + 870)) ^ 0x3F;
  while( 1 )
  {
    v17 = !_BitScanReverse((unsigned int *)&v18, v16);
    if( v17 )
      break;
    v19 = *((_QWORD *)v13 + 100) + 96 * v18;
    v16 &= ~(1 << v18);
    if( (*(_BYTE *)(v19 + 26) & 1) != 0
      && (*(_DWORD *)(v19 + 32) & 1) == 0
      && (*(_QWORD *)(v19 + 32) & 0x7FFFFFFFFFFFFFFCi64) == (v9 & 0x7FFFFFFFFFFFFFFCi64)
      && *(_DWORD *)(v19 + 40) == SessionId )
    {
      *(_BYTE *)(v19 + 26) &= ~1u;
      if( *(_QWORD *)(v19 + 32) )
      {
        if( v19 )
        {
          *(_BYTE *)(v19 + 32) |= 2u;
          if( *(__int64 *)(v19 + 32) < 0 )
            KiAbEntryRemoveFromTree(v19);
          v21 = *(_DWORD *)(v19 + 88) & 0x1FFFF;
          *(_DWORD *)(v19 + 88) &= 0xFFFE0000;
          *(_BYTE *)(v19 + 25) &= ~1u;
          *(_QWORD *)(v19 + 32) = 0i64;
          v20 = (__int64)(v19 - *((_QWORD *)v13 + 100)) / 96;
          if( v15 == 1 )
            *((_BYTE *)v13 + 792) |= 1 << v20;
          else
            _InterlockedOr8((volatile signed __int8 *)v13 + 870, 1 << v20);
          goto LABEL_28;
        }
        break;
      }
    }
  }
  if( (*((_DWORD *)v13 + 30) & 0x10000) == 0 )
    KeBugCheckEx(0x162u, (ULONG_PTR)v13, v9, SessionId, 0i64);
LABEL_28:
  --*((_BYTE *)v13 + 794);
  KiAbThreadRemoveBoosts((ULONG_PTR)v13, v9, (unsigned int *)&v21);
  v17 = (*((_WORD *)v13 + 243))++ == 0xFFFF;
  if( v17 && *((_ETHREAD **)v13 + 19) != (_ETHREAD *)((char *)v13 + 152) )
    KiCheckForKernelApcDelivery();
  KiLeaveGuardedRegionUnsafe((__int64)CurrentThread);
  result = (unsigned int)v5;
  *(_QWORD *)&String1[1].Length = -2i64;
  return result;
}

Referenced by: