linux-kernel - [v3.12.y][v3.13.y-ckt][3.14.y][3.16.y-ckt][3.18.y][3.19.y][V2][PATCH 0/1] n_tty: Fix read buffer overwrite when no newline

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Message-Id: <cover.1429130715.git.joseph.salisbury@canonical.com>
Date:	Thu, 16 Apr 2015 14:57:26 -0400
From:	Joseph Salisbury <joseph.salisbury@...onical.com>
To:	gregkh@...uxfoundation.org, luis.henriques@...onical.com,
	sasha.levin@...cle.com, kamal.mostafa@...onical.com, jslaby@...e.cz
Cc:	peter@...leysoftware.com, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: [v3.12.y][v3.13.y-ckt][3.14.y][3.16.y-ckt][3.18.y][3.19.y][V2][PATCH 0/1] n_tty: Fix read buffer overwrite when no newline

Hello,

Please consider including mainline commit fb5ef9e7da39968fec6d6f37f20a23d23740c75e 
in the next v3.12.y, v3.13.y-ckt, v3.14.y, 3.16.y-ckt, 3.18.y, and 3.19.y stable releases.  
It was included mainline as of v4.0-rc1.  It has been tested and confirmed to resolve
http://bugs.launchpad.net/bugs/1381005 .  This bug was introduced in v3.12-rc1 when 
commit 24a89d1 was applied.  This commit is not needed in stable kernels prior to 
v3.12.y.

commit fb5ef9e7da39968fec6d6f37f20a23d23740c75e
Author: Peter Hurley <peter@...leysoftware.com>
Date:   Fri Jan 16 15:05:39 2015 -0500

    n_tty: Fix read buffer overwrite when no newline

This commit does not apply cleanly to the kernels versions mentined, so I performed 
a backport, which is in email 1/1.

The 3.12.y and 3.13.y-ckt stable releases first need a cherry pick of commit
5c32d12378313e0096ea0d450462aa638a90fb6e.  This is because in commit 5c32d123
n_tty_receive_buf and n_tty_receive_buf2 were merged into n_tty_receive_buf_common,
which is where the backport makes the needed changes. 

Sincerely,

Joseph Salisbury

Peter Hurley (1):
  n_tty: Fix read buffer overwrite when no newline

 drivers/tty/n_tty.c | 106 +++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 79 insertions(+), 27 deletions(-)

-- 
2.1.0

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