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sys: FspFsvrtDeleteVolume: delay delete the volume to avoid crashes in fltmgr.sys; using FspDeviceRetain() instead of ObReferenceObject() appears to completely resolve the fltmgr.sys crash

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This commit is contained in:
Bill Zissimopoulos
2015-12-14 15:56:44 -08:00
parent aee12e1c5f
commit a3312ad2f1
4 changed files with 123 additions and 6 deletions
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src/sys/create.c
+4
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@@ -66,6 +66,10 @@ static NTSTATUS FspFsvolCreate(
(0 == IrpSp->FileObject->RelatedFileObject ||
0 == IrpSp->FileObject->RelatedFileObject->FsContext))
{
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
PDEVICE_OBJECT FsvrtDeviceObject = FsvolDeviceExtension->FsvrtDeviceObject;
IrpSp->FileObject->Vpb = FsvrtDeviceObject->Vpb;
Irp->IoStatus.Information = FILE_OPENED;
return STATUS_SUCCESS;
}