Re: 3.11-final plan: unpriviledged user can crash the kernel (using bluetooth rfcomm)

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Hi!

> >>>>>> . Python sources for client/server are at 
> >>>>>> 
> >>>>>> http://tui.cvs.sourceforge.net/viewvc/tui/tui/liveview/
> >>>>>> 

> > So... In 3.11 unpriviledged user can crash the kernel, but the fix is
> > too big, so we release it without the fix?
> > 
> > Somehow, I don't think that's good idea.
> 
> can you boot a bluetooth-next kernel and see if the planned changes are fixing this or not. I would like to have that confirmed before we start any speculations here.
> 
> If the RFCOMM TTY rework that we have in bluetooth-next fixes this issue, then we can have a look at if this can be patched for 3.11 or a stable kernel without having to include the whole patch series. Or if the TTY subsystem changed from 2.6.32 so much that we have to take the whole changes.
> 
> However, please also note there is a different between RFCOMM sockets and RFCOMM TTYs. I would be curious if only the TTY part is affected or also the socket part.
> 

Well, you are in as good position to repeat it as I am. Sources are in
the CVS referenced above (and they are trivial). The version that
reproduces the problem is marked as such in changelog. I already
modified my system to work (not triggering oopsen)...

Yes, I can probably setup linux-next. It will take some time.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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