lkml.org 
[lkml]   [2022]   [Jul]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] net: ip_tunnel: use strscpy to replace strlcpy

The strlcpy should not be used because it doesn't limit the source
length. Preferred is strscpy.

Signed-off-by: XueBing Chen <chenxuebing@jari.cn>
---
net/ipv4/ip_tunnel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 94017a8c3994..4688f00a454c 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -242,7 +242,7 @@ static struct net_device *__ip_tunnel_create(struct net *net,
if (parms->name[0]) {
if (!dev_valid_name(parms->name))
goto failed;
- strlcpy(name, parms->name, IFNAMSIZ);
+ strscpy(name, parms->name, IFNAMSIZ);
} else {
if (strlen(ops->kind) > (IFNAMSIZ - 3))
goto failed;
@@ -1065,7 +1065,7 @@ int ip_tunnel_init_net(struct net *net, unsigned int ip_tnl_net_id,

memset(&parms, 0, sizeof(parms));
if (devname)
- strlcpy(parms.name, devname, IFNAMSIZ);
+ strscpy(parms.name, devname, IFNAMSIZ);

rtnl_lock();
itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);
--
2.25.1

\
 
 \ /
  Last update: 2022-07-11 16:02    [W:0.032 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site