[ros-kernel] Bugs in NtRead/WriteFile (Eric)
Gunnar André Dalsnes
hardon at online.no
Sun Nov 30 18:04:59 CET 2003
> > We should do a MmSafeCopyToUserMode in
> IoSecondStageCompletion when doing
> > *Irp->UserIosb=Irp->IoStatus, if the irp originated from
> umode. This makes
> > it unnecessary (and incorrect) to use a local "safe" variable for
> > IoStatusBlock (Irp->UserIosb) no matter what kind of operation
> > (asynch/synch).
> I'll try that!
If don't know if we set Irp->RequestorMode correctly yet thou...
BTW: Do you know what MmSafeCopyXXX does that makes them safe and if
MmSafeCopyXXX crash if accessing paged-out memory at DISPATCH_LEVEL?
> Shouldn't IoSecondStageCompletion only be running at PASSIVE_LEVEL?
I belive it should allways run at APC_LEVEL. I'll try to fix this tonight
together with some fixes to NtRead/WriteFile.
You probably want to test usetup.exe after my changes, to check if something
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