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SubjectRe: tty crash in Linux 4.6


On Thu, 22 Mar 2018, Greg Kroah-Hartman wrote:

> On Fri, Mar 23, 2018 at 12:48:06AM +1100, Daniel Axtens wrote:
> > Hi,
> >
> > >> This patch works, I've had no tty crashes since applying it.
> > >>
> > >> I've seen that you haven't sent this patch yet to Linux-4.7-rc and
> > >> Linux-4.6-stable. Will you? Or did you create a different patch?
> > >
> > > We are hitting this now on powerpc. This patch never seemed to make
> > > it upstream (drivers/tty/tty_ldisc.c hasn't been touched in 1 year).
> >
> > I seem to be hitting this too on a kernel that has the 4.6 changes
> > backported to 4.4.
> >
> > Has there been any further progress on getting this accepted?
>
> Can you try applying 28b0f8a6962a ("tty: make n_tty_read() always abort
> if hangup is in progress") to see if that helps out or not?
>
> thanks,
>
> greg k-h

It doesn't help. I get the same crash as before.

Mikulas

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