IovpCompleteRequest2

VOID __stdcall IovpCompleteRequest2(_IRP *Irp, _IOFCOMPLETEREQUEST_STACKDATA *CompletionPacket){
  _DWORD *v2; 
  _QWORD *v5; 
  __int64 CurrentLocation; 
  __int64 v7; 
  __int64 v8; 
  __int64 v9; 
  int v10; 
  unsigned int v11; 
  _BOOL4 v12; 
  _IO_STACK_LOCATION *v13; 
  int v14; 
  _QWORD *v15; 
  _QWORD *v16; 
  __int64 v17; 
  int v18; 
  __int64 v19; 
  int v20; 
  unsigned __int8 v21; 
  unsigned __int64 v22; 
  __int64 v23; 
  int v24; 
  __int64 v25; 
  bool v26; 
  UINT8 *v27; 
  __int64 v28; 
  unsigned int i; 
  __int64 v30; 
  __int64 v31; 
  UINT64 RequestFinalized; 
  INT64 OriginalStatus; 
  INT64 IrpStatus; 

  v2 = *(_DWORD **)CompletionPacket;
  if( !*(_QWORD *)CompletionPacket )
    return;
  v5 = (_QWORD *)*((_QWORD *)CompletionPacket + 1);
  *((_BYTE *)v5 + 16) = KeAcquireSpinLockRaiseToDpc(v5 + 1);
  if( v5[31] )
    ViWdIrpBeforeCompletionRoutine((_VF_WATCHDOG_IRP **)v5 + 31);
  CurrentLocation = Irp->CurrentLocation;
  v7 = 30 * CurrentLocation;
  LODWORD(IrpStatus) = Irp->IoStatus.Status;
  v8 = (__int64)&v2[30 * CurrentLocation - 10];
  v9 = *(_QWORD *)(v8 + 8);
  v10 = *(_DWORD *)(v9 + 4);
  if( (v10 & 0x40000000) != 0 )
  {
    v11 = 0;
  }
  else
  {
    v11 = 1;
    *(_DWORD *)(v9 + 4) = v10 | 0x40000000;
    LOBYTE(CurrentLocation) = Irp->CurrentLocation;
  }
  v12 = v8 == v9;
  v13 = Irp->Tail.CurrentStackLocation - 1;
  if( (char)CurrentLocation <= Irp->StackCount
    && (unsigned __int8)(v13->MajorFunction - 3) <= 1u
    && Irp->MdlAddress
    && (MmVerifierData & 0x6000) != 0 )
  {
    MdlInvariantPostProcessing1((_IOV_REQUEST_PACKET *)v5, (ULONG_PTR)Irp, Irp->Tail.CurrentStackLocation - 1);
    v8 = (__int64)&v2[v7 - 10];
  }
  LODWORD(RequestFinalized) = v12;
  VfMajorVerifyIrpStackUpward((_IOV_REQUEST_PACKET *)v5, v13, (_IOV_STACK_LOCATION *)v8, v11, RequestFinalized);
  v14 = v2[8];
  LODWORD(OriginalStatus) = IrpStatus;
  if( (v14 & 2) == 0 && (v2[v7 - 9] & 0x4000000) != 0 && !Irp->PendingReturned )
  {
    if( (Irp->Flags & 0x800) != 0 )
    {
      ViErrorReport6(574, *(VOID **)&v2[v7], Irp, (unsigned int)IrpStatus);
      v14 = v2[8];
    }
    v2[8] = v14 | 2;
  }
  v15 = &v2[v7 - 6];
  while( 1 )
  {
    v16 = (_QWORD *)*v15;
    if( (_QWORD *)*v15 == v15 )
      break;
    if( (_QWORD *)v16[1] != v15 || (v17 = *v16, *(_QWORD **)(*v16 + 8i64) != v16) )
      __fastfail(3u);
    *v15 = v17;
    *(_QWORD *)(v17 + 8) = v15;
    v18 = *((_DWORD *)v16 - 2) | 0x40000000;
    *((_DWORD *)v16 - 2) = v18;
    *((_DWORD *)v16 + 6) = IrpStatus;
    if( Irp->PendingReturned )
      *((_DWORD *)v16 - 2) = v18 | 0x2000000;
    v19 = v16[5];
    if( (*(_BYTE *)(v19 + 16) & 0x70) == 112 )
    {
      v20 = *(_DWORD *)(v19 + 48);
      if( v20 != -2147483626 && (v20 & 0xC0000000) != -1073741824 )
      {
        v21 = *((_BYTE *)v16 + 48);
        if( v21 == 3 || v21 == 5 || v21 == 7 || v21 == 10 )
          goto LABEL_35;
        if( v21 <= 0xBu )
          goto LABEL_38;
        if( v21 <= 0xDu )
        {
LABEL_35:
          v22 = *((unsigned int *)v16 + 14);
        }
        else
        {
          if( v21 > 0xFu )
          {
            if( v21 != 25 )
              goto LABEL_38;
            goto LABEL_35;
          }
          v23 = v5[25];
          if( !v23 || v23 != *(_QWORD *)(v19 + 24) )
            goto LABEL_38;
          v22 = *((unsigned int *)v5 + 52);
        }
        if( *(_QWORD *)(v19 + 56) > v22 )
          ViErrorReport1(786, *((VOID **)CompletionPacket + 4), (const VOID *)v19);
      }
    }
LABEL_38:
    if( (v5[7] & 0x20) == 0 )
    {
      if( VfMajorAdvanceIrpStatus(v13, (unsigned int)OriginalStatus, &IrpStatus) )
      {
        *((_DWORD *)v16 - 2) |= 0x8000000u;
        *((_DWORD *)v16 + 7) = IrpStatus;
      }
    }
  }
  Irp->IoStatus.Status = IrpStatus;
  memset(&v2[v7 - 10], 0i64, 0x78u);
  v15[1] = v15;
  *v15 = v15;
  v24 = *((unsigned __int8 *)v5 + 184);
  *((_BYTE *)v5 + 186) = Irp->CurrentLocation + 1;
  if( v24 == Irp->CurrentLocation )
  {
    *(_QWORD *)CompletionPacket = 0i64;
    *((_QWORD *)CompletionPacket + 1) = 0i64;
    VfMajorVerifyFinalIrpStack((_IOV_REQUEST_PACKET *)v5, Irp->Tail.CurrentStackLocation - 1);
    v25 = *(_QWORD *)v2;
    *(_DWORD *)(v25 + 56) &= ~1u;
    *(_QWORD *)(v25 + 240) = 0i64;
    IovpSessionDataDereference(v2);
    v26 = (*((_DWORD *)v5 + 6))-- == 1;
    LOBYTE(OriginalStatus) = 0;
    if( v26 )
    {
      ViIrpDatabaseAcquireLockExclusive((UINT8 *)&OriginalStatus);
      v27 = (UINT8 *)*v5;
      ((void(__fastcall *)(_QWORD *, _QWORD, __int64))v5[6])(v5, *v5, 1i64);
      *v5 = 0i64;
      VfUtilAddressRangeRemoveCheckEmpty(
        (_VF_ADDRESS_RANGE *)(ViIrpDatabaseAddressRanges
                            + 16i64 * (unsigned __int8)(-125 * ((unsigned __int64)v27 >> 12))),
        v27);
      ViIrpDatabaseReleaseLockExclusive(OriginalStatus);
    }
    _InterlockedDecrement((volatile signed __int32 *)v5 + 5);
    v28 = v5[28];
    if( v28 )
    {
      for( i = 0; i < *(_DWORD *)v28; ++i )
      {
        v30 = *(_QWORD *)(v28 + 8);
        v31 = 32i64 * i;
        if( *(_QWORD *)(v31 + v30) )
        {
          *(_OWORD *)(v31 + v30) = 0i64;
          *(_OWORD *)(v31 + v30 + 16) = 0i64;
        }
        v28 = v5[28];
      }
      *(_QWORD *)(v28 + 16) = 0i64;
    }
  }
  else
  {
    IovpSessionDataReference(v2);
    _InterlockedAdd((volatile signed __int32 *)v5 + 5, 1u);
  }
  VfIrpDatabaseEntryReleaseLock((_IOV_DATABASE_HEADER *)v5);
  --CompletionPacket[5];
}

Referenced by: