linux-kernel - Re: [PATCH 3.16 23/99] tty/ldsem: Wake up readers after timed out down

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: <0fb333560ad4ed9d5c8bc0f71a46fee5b448f9e6.camel@decadent.org.uk>
Date:   Tue, 02 Apr 2019 15:32:49 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     Dmitry Safonov <0x7f454c46@...il.com>
Cc:     open list <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Denis Kirjanov <kda@...ux-powerpc.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        kernel test robot <rong.a.chen@...el.com>,
        Dmitry Safonov <dima@...sta.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 3.16 23/99] tty/ldsem: Wake up readers after timed out
 down_write()

On Tue, 2019-04-02 at 15:22 +0100, Dmitry Safonov wrote:
> Hi Ben,
> 
> JFI: I haven't checked your tree, but the same patches set contains fixes
> that are more important to my mind (looking at 4.9 stable tree):
> - "tty: Drop tty->count on tty_reopen() failure" commit fe3241679009

You marked this as applicable to 4.6+.  Is it actually applicable to
older versions as well?

> - "tty: Hold tty_ldisc_lock() during tty_reopen()" commit 83d817f41070
>   with follow-up fixup "tty: Don't hold ldisc lock in tty_reopen() if
> ldisc present"
>   commit d3736d82e816
[...]

I will include these in a later update, unless you think they are
really urgent and should be added to this one.

Ben.

-- 
Ben Hutchings
Klipstein's 4th Law of Prototyping and Production:
                               A fail-safe circuit will destroy others.



Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)