linux-kernel - Re: [PATCH] staging: speakup: fix wraparound in uaccess length check

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Date:   Wed, 11 Jul 2018 11:44:51 +0200
From:   Samuel Thibault <samuel.thibault@...-lyon.org>
To:     Jann Horn <jannh@...gle.com>
Cc:     William Hubbs <w.d.hubbs@...il.com>,
        Christopher Brannon <chris@...-brannons.com>, kirk@...sers.ca,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        kernel list <linux-kernel@...r.kernel.org>,
        speakup@...ux-speakup.org, devel@...verdev.osuosl.org
Subject: Re: [PATCH] staging: speakup: fix wraparound in uaccess length check

Hello,

Jann Horn, le mar. 10 juil. 2018 13:34:33 -0700, a ecrit:
> On Sat, Jul 7, 2018 at 1:29 AM Samuel Thibault
> <samuel.thibault@...-lyon.org> wrote:
> > Could you review, test, and resubmit the patch below instead?
> 
> Er... you mean, you want me to take your patch, add my Signed-off-by
> below yours, and then send that?

Yes, please.

> Some random thing I noticed, but I don't think it has anything to do
> with this issue: In some runs, when the console is repeatedly printing
> "Debian GNU/Linux 9 debian tty1\n\ndebian login: " in response to me
> pressing enter repeatedly, /dev/softsynthu (read in 1-byte steps)
> seems to return things like "Debian GNU slash Linux 9 debian tty1 \n
> debi login: ". I don't understand why it sometimes says "debi login"
> instead of "debian login".

It's odd indeed, but I agree it's unrelated.

Samuel