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[3.8.y.z,extended,stable] Patch "serial: mxs: fix buffer overflow" has been added to staging queue

Message ID 1376528723-1281-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa Aug. 15, 2013, 1:05 a.m. UTC
This is a note to let you know that I have just added a patch titled

    serial: mxs: fix buffer overflow

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.7.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 99c3b32d3c9c6d86d0bd4d6e2f1a8d073f821c72 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <wsa@the-dreams.de>
Date: Fri, 19 Apr 2013 21:12:17 +0200
Subject: serial: mxs: fix buffer overflow

commit 4829e7650f8a40645e4e32b26a37fb833a5e75f0 upstream.

SMATCH correctly found an off-by-one error:

drivers/tty/serial/mxs-auart.c:889 auart_console_write() error: buffer overflow 'auart_port' 5 <= 5

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/tty/serial/mxs-auart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
1.8.1.2
diff mbox

Patch

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index f0d17ee..6b00fa5 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -885,7 +885,7 @@  auart_console_write(struct console *co, const char *str, unsigned int count)
 	unsigned int old_ctrl0, old_ctrl2;
 	unsigned int to = 1000;

-	if (co->index >	MXS_AUART_PORTS || co->index < 0)
+	if (co->index >= MXS_AUART_PORTS || co->index < 0)
 		return;

 	s = auart_port[co->index];