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sys: FspVolumeTransactFsext:

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- only allow ControlCodes with 0xC00 bits set in Function
This commit is contained in:
Bill Zissimopoulos
2019-06-22 15:40:48 -07:00
parent f5fde4c0bb
commit 804bcc3354
2 changed files with 8 additions and 5 deletions
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2
src/sys/volume.c
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@ -924,6 +924,8 @@ NTSTATUS FspVolumeTransactFsext(
ASSERT(IRP_MJ_FILE_SYSTEM_CONTROL == IrpSp->MajorFunction);
ASSERT(IRP_MN_USER_FS_REQUEST == IrpSp->MinorFunction);
ASSERT(CTL_CODE(0, 0xC00, 0, 0) ==
(IrpSp->Parameters.FileSystemControl.FsControlCode & CTL_CODE(0, 0xC00, 0, 0)));
ASSERT(0 != IrpSp->FileObject->FsContext2);
PDEVICE_OBJECT FsvolDeviceObject = IrpSp->FileObject->FsContext2;