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SubjectRe: tty crash in Linux 4.6
Date
Mikulas Patocka <mpatocka@redhat.com> writes:

> 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?

Sorry for the delay in getting the test results; as with Mikulas,
28b0f8a6962a does not help.

Regards,
Daniel

>>
>> thanks,
>>
>> greg k-h
>
> It doesn't help. I get the same crash as before.
>
> Mikulas

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