netdev - Re: [PATCH net-next] seg6: fix parameter passing when calling NF

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Date: Tue, 04 Jun 2024 11:14:47 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Jianguo Wu <wujianguo106@....com>, Pablo Neira Ayuso
 <pablo@...filter.org>
Cc: netdev <netdev@...r.kernel.org>, contact@...elbtn.com, David Ahern
	 <dsahern@...nel.org>
Subject: Re: [PATCH net-next] seg6: fix parameter passing when calling
 NF_HOOK() in End.DX4 and End.DX6 behaviors

On Tue, 2024-06-04 at 14:34 +0800, Jianguo Wu wrote:
> Hi, Pablo
> 
> On 2024/6/4 3:23, Pablo Neira Ayuso wrote:
> > Hi,
> > 
> > On Thu, May 30, 2024 at 03:43:38PM +0800, Jianguo Wu wrote:
> > > From: Jianguo Wu <wujianguo@...natelecom.cn>
> > > 
> > > input_action_end_dx4() and input_action_end_dx6() call NF_HOOK() for PREROUTING hook,
> > > for PREROUTING hook, we should passing a valid indev, and a NULL outdev to NF_HOOK(),
> > > otherwise may trigger a NULL pointer dereference, as below:
> > 
> > Could you also add a selftest to improve coverage of this infrastructure?
> > 
> 
> Sure, I will add a selftest to cover this case.

When re-submitting, please additionally target the 'net' tree,
replacing the 'net-next' prefix with 'net',

Thanks!

Paolo