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net: ip_tunnel: use strscpy to replace strlcpy

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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>
Link: https://lore.kernel.org/r/2a08f6c1.e30.181ed8b49ad.Coremail.chenxuebing@jari.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
XueBing Chen 2022-07-11 21:55:37 +08:00 committed by Jakub Kicinski
parent 536a6c8e05
commit 512b2dc48e
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/ip_tunnel.c
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@ -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);