From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Peter Hurley <peter@hurleysoftware.com>
Cc: Jiri Slaby <jslaby@suse.cz>, Oleg Nesterov <oleg@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
codonell <codonell@redhat.com>, Eduard Benes <ebenes@redhat.com>,
Karel Srot <ksrot@redhat.com>, Matt Newsome <mnewsome@redhat.com>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] tty: Fix SIGTTOU not sent with tcflush()
Date: Wed, 25 Sep 2013 17:24:13 -0700 [thread overview]
Message-ID: <20130926002413.GA17587@kroah.com> (raw)
In-Reply-To: <1380154395-4232-1-git-send-email-peter@hurleysoftware.com>
On Wed, Sep 25, 2013 at 08:13:04PM -0400, Peter Hurley wrote:
> Commit 'e7f3880cd9b98c5bf9391ae7acdec82b75403776'
> tty: Fix recursive deadlock in tty_perform_flush()
> introduced a regression where tcflush() does not generate
> SIGTTOU for background process groups.
>
> Make sure ioctl(TCFLSH) calls tty_check_change() when
> invoked from the line discipline.
>
> Cc: stable@vger.kernel.org # v3.10+
> Reported-by: Oleg Nesterov <oleg@redhat.com>
> Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
> ---
> drivers/tty/tty_ioctl.c | 3 +++
> 1 file changed, 3 insertions(+)
Thanks for tracking this down, I'll queue it up tomorrow.
greg k-h
next prev parent reply other threads:[~2013-09-26 0:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <52437AA2.5040907@hurleysoftware.com>
2013-09-26 0:13 ` [PATCH] tty: Fix SIGTTOU not sent with tcflush() Peter Hurley
2013-09-26 0:24 ` Greg Kroah-Hartman [this message]
2013-09-26 16:36 ` Oleg Nesterov
2013-09-26 19:10 ` Oleg Nesterov
2013-09-26 21:18 ` Peter Hurley
2013-09-27 5:19 ` Karel Srot
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