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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

  reply	other threads:[~2013-09-26  0:24 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-15 15:50 [PATCH 0/1] tty: disassociate_ctty() sends the extra SIGCONT Oleg Nesterov
2013-09-15 15:50 ` [PATCH 1/1] " Oleg Nesterov
2013-09-16 22:16   ` Peter Hurley
2013-09-17 19:41     ` Carlos O'Donell
2013-09-17 20:30       ` Peter Hurley
2013-09-17 20:39   ` Peter Hurley
2013-09-21 18:34     ` Oleg Nesterov
2013-09-21 20:25       ` Peter Hurley
2013-09-22 20:03         ` Oleg Nesterov
2013-09-24 18:18           ` Peter Hurley
2013-09-25 16:21 ` v3.10 breaks T.tcflush (Was: tty: disassociate_ctty() sends the extra SIGCONT) Oleg Nesterov
2013-09-25 17:56   ` Oleg Nesterov
2013-09-26  0:06   ` Peter Hurley
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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