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lhodges1 2023-08-19 14:03:48 +10:00
parent 6203ebde15
commit 6246307bfd
2 changed files with 10 additions and 7 deletions
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9
driver/ioctl.c
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@ -50,14 +50,9 @@ NTSTATUS DeviceControl(
if ( !NT_SUCCESS( status ) )
DEBUG_ERROR( "Failed to start thread to validate system drivers" );
/*
* wait on our thread so we dont complete the IRP before we've filled the
* buffer with information and prevent any weird IRP multithreaded interactions
*/
KeWaitForSingleObject( handle, Executive, KernelMode, FALSE, NULL );
/* return early as IRP completion was handled inside the function */
ZwClose( handle );
break;
return status;
default:
DEBUG_ERROR( "Invalid IOCTL passed to driver" );

8
driver/modules.c
View file

@ -333,5 +333,13 @@ NTSTATUS HandleValidateDriversIOCTL(
ExFreePoolWithTag( head, INVALID_DRIVER_LIST_HEAD_POOL );
ExFreePoolWithTag( system_modules.address, SYSTEM_MODULES_POOL );
/*
* Complete the IRP here so we don't have to implement a waiting mechanism
* to prevent an early completion of the IRP.
*/
IoCompleteRequest( Irp, IO_NO_INCREMENT );
Irp->IoStatus.Status = status;
return status;
}