linux-kernel - Re: tty crash in Linux 4.6

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LRH.2.02.1803270818150.30055@file01.intranet.prod.int.rdu2.redhat.com>
Date:   Tue, 27 Mar 2018 08:18:50 -0400 (EDT)
From:   Mikulas Patocka <mpatocka@...hat.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
cc:     Daniel Axtens <dja@...ens.net>,
        Michael Neuling <mikey@...ling.org>,
        Peter Hurley <peter@...leysoftware.com>,
        Jiri Slaby <jslaby@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 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