* [PATCH] net: ip_tunnel: use strscpy to replace strlcpy
@ 2022-07-11 13:55 XueBing Chen
2022-07-13 1:40 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: XueBing Chen @ 2022-07-11 13:55 UTC (permalink / raw)
To: davem, yoshfuji, dsahern, edumazet, pabeni; +Cc: netdev, linux-kernel
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] net: ip_tunnel: use strscpy to replace strlcpy
2022-07-11 13:55 [PATCH] net: ip_tunnel: use strscpy to replace strlcpy XueBing Chen
@ 2022-07-13 1:40 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-07-13 1:40 UTC (permalink / raw)
To: XueBing Chen
Cc: davem, yoshfuji, dsahern, edumazet, pabeni, netdev, linux-kernel
Hello:
This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:
On Mon, 11 Jul 2022 21:55:37 +0800 (GMT+08:00) you wrote:
> 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(-)
Here is the summary with links:
- net: ip_tunnel: use strscpy to replace strlcpy
https://git.kernel.org/netdev/net-next/c/512b2dc48e8b
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
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2022-07-11 13:55 [PATCH] net: ip_tunnel: use strscpy to replace strlcpy XueBing Chen
2022-07-13 1:40 ` patchwork-bot+netdevbpf
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