On Thu, Aug 27, 2020 at 07:51:47AM -0700, David Miller wrote:
> From: we...@ucloud.cn
> Date: Thu, 27 Aug 2020 18:39:51 +0800
>
> > From: wenxu <we...@ucloud.cn>
> >
> > Add ipv6_fragment to ipv6_stub to avoid calling netfilter when
> > access ip6_fragment.
> >
> > Signed-off-by: wenxu <we...@ucloud.cn>
>
> Please test these changes with ipv6 disabled.
>
> It will crash, you have to update the default stub in
> net/ipv6/addrconf_core.c as well.
I didn't test it myself but I'm not seeing how the crash could happen.
The next patch does check for it being NULL before using it:
- if (!v6ops)
+ if (!ipv6_stub->ipv6_fragment)
goto err;
Wenxu?
Marcelo
