MiUnlockPartitionSystemThreads

INT64 __fastcall MiUnlockPartitionSystemThreads(INT64 a1, INT64 a2){
  INT64 v2; 
  char v4; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  char v7; 
  int v8; 
  bool v9; 
  __int64 v10; 
  unsigned __int64 v11; 
  int v12; 
  unsigned int v13; 
  __int64 v14; 
  int v16; 
  v2 = a1 + 184;
  v4 = _InterlockedExchangeAdd64((volatile signed __int64 *)(a1 + 184), 0xFFFFFFFFFFFFFFFFui64);
  if( (v4 & 2) != 0 && (v4 & 4) == 0 )
    ExfTryToWakePushLock((volatile INT64 *)(a1 + 184));
  v16 = 0;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  if( (unsigned int)MiGetSystemRegionType(v2) == 1 )
    SessionId = MmGetSessionIdEx(*((_QWORD *)CurrentThread + 23));
  else
    SessionId = -1;
  --*((_WORD *)CurrentThread + 243);
  v7 = ++*((_BYTE *)CurrentThread + 794);
  v8 = (*((char *)CurrentThread + 792) | *((char *)CurrentThread + 870)) ^ 0x3F;
  while( 1 )
  {
    v9 = !_BitScanReverse((unsigned int *)&v10, v8);
    if( v9 )
      break;
    v11 = *((_QWORD *)CurrentThread + 100) + 96 * v10;
    v8 &= ~(1 << v10);
    if( (*(_BYTE *)(v11 + 26) & 1) != 0
      && (*(_DWORD *)(v11 + 32) & 1) == 0
      && (*(_QWORD *)(v11 + 32) & 0x7FFFFFFFFFFFFFFCi64) == (v2 & 0x7FFFFFFFFFFFFFFCi64)
      && *(_DWORD *)(v11 + 40) == SessionId )
    {
      *(_BYTE *)(v11 + 26) &= ~1u;
      if( *(_QWORD *)(v11 + 32) )
      {
        if( v11 )
        {
          *(_BYTE *)(v11 + 32) |= 2u;
          if( *(__int64 *)(v11 + 32) < 0 )
            KiAbEntryRemoveFromTree(v11);
          v12 = *(_DWORD *)(v11 + 88) & 0x1FFFF;
          v13 = *(_DWORD *)(v11 + 88) & 0xFFFE0000;
          *(_BYTE *)(v11 + 25) &= ~1u;
          v16 = v12;
          *(_DWORD *)(v11 + 88) = v13;
          *(_QWORD *)(v11 + 32) = 0i64;
          v14 = (__int64)(v11 - *((_QWORD *)CurrentThread + 100)) / 96;
          if( v7 == 1 )
            *((_BYTE *)CurrentThread + 792) |= 1 << v14;
          else
            _InterlockedOr8((volatile signed __int8 *)CurrentThread + 870, 1 << v14);
          goto LABEL_16;
        }
        break;
      }
    }
  }
  if( (*((_DWORD *)CurrentThread + 30) & 0x10000) == 0 )
    KeBugCheckEx(0x162u, (ULONG_PTR)CurrentThread, v2, SessionId, 0i64);
LABEL_16:
  --*((_BYTE *)CurrentThread + 794);
  KiAbThreadRemoveBoosts((ULONG_PTR)CurrentThread, v2, (unsigned int *)&v16);
  v9 = (*((_WORD *)CurrentThread + 243))++ == 0xFFFF;
  if( v9 && *((_ETHREAD **)CurrentThread + 19) != (_ETHREAD *)((char *)CurrentThread + 152) )
    KiCheckForKernelApcDelivery();
  return KiLeaveGuardedRegionUnsafe(a2);
}

Referenced by: