From: Alan <gnomes@lxorguk.ukuu.org.uk>
Date: Wed, 8 Apr 2015 12:59:21 +0000 (+0100)
Subject: um,ethertap: use strncpy
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7879b1d94badb5c34fa777244091c2304191dddf;p=linux-beck.git

um,ethertap: use strncpy

[um maintainers appear to be vanished]

I can't prove the case pointed out in
https://bugzilla.kernel.org/show_bug.cgi?id=82341
is correct so let us play safe.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index b39b6696ac58..6d4918246ffe 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -105,7 +105,7 @@ static int etap_tramp(char *dev, char *gate, int control_me,
 	sprintf(data_fd_buf, "%d", data_remote);
 	sprintf(version_buf, "%d", UML_NET_VERSION);
 	if (gate != NULL) {
-		strcpy(gate_buf, gate);
+		strncpy(gate_buf, gate, 15);
 		args = setup_args;
 	}
 	else args = nosetup_args;