linux-kernel - Re: [PATCH v2] drivers:tty:pty: Fix a race causing data loss on close

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Message-ID: <36dd1306-e14f-431b-a6b5-82da3868307b@kernel.org>
Date:   Tue, 6 Oct 2020 06:48:34 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>, minyard@....org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Corey Minyard <cminyard@...sta.com>
Subject: Re: [PATCH v2] drivers:tty:pty: Fix a race causing data loss on close

On 05. 10. 20, 13:31, Greg Kroah-Hartman wrote:
> On Fri, Oct 02, 2020 at 08:03:04AM -0500, minyard@....org wrote:
>> From: Corey Minyard <cminyard@...sta.com>
>>
>> If you write to a pty master an immediately close the pty master, the
>> receiver might get a chunk of data dropped, but then receive some later
>> data.  That's obviously something rather unexpected for a user.  It
>> certainly confused my test program.
...
> Jiri, any thoughts about this?  At first glance, it looks sane to me,
> but a second review would be great.

Hi,

I haven't had a chance to look into it yet (labsconf this week). Moving
it upwards on my TODO.

thanks,
-- 
js