Patch "media: ttusb-dec: buffer overflow in ioctl" has been added to the 3.14-stable tree

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This is a note to let you know that I've just added the patch titled

    media: ttusb-dec: buffer overflow in ioctl

to the 3.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     media-ttusb-dec-buffer-overflow-in-ioctl.patch
and it can be found in the queue-3.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From f2e323ec96077642d397bb1c355def536d489d16 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Fri, 5 Sep 2014 09:09:28 -0300
Subject: media: ttusb-dec: buffer overflow in ioctl

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

commit f2e323ec96077642d397bb1c355def536d489d16 upstream.

We need to add a limit check here so we don't overflow the buffer.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/media/usb/ttusb-dec/ttusbdecfe.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/media/usb/ttusb-dec/ttusbdecfe.c
+++ b/drivers/media/usb/ttusb-dec/ttusbdecfe.c
@@ -156,6 +156,9 @@ static int ttusbdecfe_dvbs_diseqc_send_m
 		   0x00, 0x00, 0x00, 0x00,
 		   0x00, 0x00 };
 
+	if (cmd->msg_len > sizeof(b) - 4)
+		return -EINVAL;
+
 	memcpy(&b[4], cmd->msg, cmd->msg_len);
 
 	state->config->send_command(fe, 0x72,


Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are

queue-3.14/media-ttusb-dec-buffer-overflow-in-ioctl.patch
queue-3.14/dm-raid-ensure-superblock-s-size-matches-device-s-logical-block-size.patch
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