From: Li RongQing <lirongq...@baidu.com> Date: Fri, 3 Aug 2018 15:45:21 +0800
> dev_set_mtu_ext is able to fail with a valid mtu value, at that
> condition, extack._msg is not set and random since it is in stack,
> then kernel will crash when print it.
>
> Fixes: 7a4c53bee3324a ("net: report invalid mtu value via netlink extack")
> Signed-off-by: Zhang Yu <zhangy...@baidu.com>
> Signed-off-by: Li RongQing <lirongq...@baidu.com>
Applied, thank you.
