Commit f2e323ec authored Sep 05, 2014 by Dan Carpenter Committed by Mauro Carvalho Chehab Sep 23, 2014

[media] ttusb-dec: buffer overflow in ioctl

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

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/usb/ttusb-dec/ttusbdecfe.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -156,6 +156,9 @@ static int ttusbdecfe_dvbs_diseqc_send_master_cmd(struct dvb_frontend* fe, struc
		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,