Subject: Re: [PATCH net v2] tipc: Fix uninit-value access in tipc_nl_node_reset_link_stats()

From: Jakub Kicinski <[email-masked]>
Date: Mon, 23 Oct 2023 15:53:14 -0700

On Sat, 21 Oct 2023 01:34:15 +0900 Shigeru Yoshida wrote:
> Link names must be null-terminated strings. If a link name which is not
> null-terminated is passed through netlink, strstr() and similar functions
> can cause buffer overrun. This causes the above issue.

If strings need to be null-terminated you should switch the policy here
https://elixir.bootlin.com/linux/v6.6-rc6/source/net/tipc/netlink.c#L91
from NLA_STRING to NLA_NUL_STRING, no?
-- 
pw-bot: cr