system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-09-15 02:59:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

hidclass.sys: Return error on invalid write buffer size.

Browse source 
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-07-06 11:00:50 +02:00 committed by Alexandre Julliard
parent e63bd6db23
commit 881b2d6583
1 changed files with 14 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
dlls/hidclass.sys/device.c
View file

@ -703,6 +703,20 @@ NTSTATUS WINAPI pdo_write(DEVICE_OBJECT *device, IRP *irp)
return STATUS_DELETE_PENDING;
}
if (!irpsp->Parameters.Write.Length)
{
irp->IoStatus.Status = STATUS_INVALID_USER_BUFFER;
IoCompleteRequest( irp, IO_NO_INCREMENT );
return irp->IoStatus.Status;
}
if (irpsp->Parameters.Write.Length < data->caps.OutputReportByteLength)
{
irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
IoCompleteRequest( irp, IO_NO_INCREMENT );
return irp->IoStatus.Status;
}
irp->IoStatus.Information = 0;
TRACE_(hid_report)("Device %p Buffer length %i Buffer %p\n", device, irpsp->Parameters.Write.Length, irp->AssociatedIrp.SystemBuffer);