linux-kernel - Re: [PATCH 21/21] TTY: move tty buffers to tty

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Date:	Wed, 31 Oct 2012 13:53:59 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	Sasha Levin <levinsasha928@...il.com>
CC:	Jiri Slaby <jirislaby@...il.com>, gregkh@...uxfoundation.org,
	alan@...ux.intel.com, linux-kernel@...r.kernel.org,
	Dave Jones <davej@...hat.com>
Subject: Re: [PATCH 21/21] TTY: move tty buffers to tty_port

On 10/25/2012 08:02 PM, Sasha Levin wrote:
> Fuzzing with trinity inside a KVM tools (lkvm) guest with -next kernel
> uncovered the following warning:

I cannot reproduce that :(. Do you still see it?

> [ 1339.448706] ------------[ cut here ]------------
> [ 1339.451224] WARNING: at drivers/tty/tty_buffer.c:476 flush_to_ldisc+0x60/0x200()
> [ 1339.454272] tty is NULLPid: 7147, comm: kworker/4:0 Tainted: G        W    3.7.0-rc2-next-20121025-sasha-00001-g673f98e-dirty #75
> [ 1339.458693] Call Trace:
> [ 1339.459410]  [<ffffffff81bb1ea0>] ? flush_to_ldisc+0x60/0x200
> [ 1339.461289]  [<ffffffff81109b86>] warn_slowpath_common+0x86/0xb0
> [ 1339.462992]  [<ffffffff81109c11>] warn_slowpath_fmt+0x41/0x50
> [ 1339.464772]  [<ffffffff81bb1ea0>] flush_to_ldisc+0x60/0x200

thanks,
-- 
js
suse labs
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